memoryOS Downloads & RevenuememoryOS: Memory Games · App Store & Google Play
memoryOS: Memory Games gets 1k+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
memoryOS: Memory Games by Encoder Inc. is on App Store and Google Play. Active Users (MAU & DAU), Downloads, rankings, keywords, revenue, and rating totals.
memoryOS: Memory Games update history & changes
Last change · 35 events since 11 Apr 2021Full timeline ↓📈iOSEntered the top 100📦iOSUpdated to version 1.6.3📈iOSEntered the top 100💰AndroidIn-app price range changed📈AndroidEntered the top 100📦iOSUpdated to version 1.6.2📦AndroidUpdated to version 1.6.2📈AndroidCharting in a new country in 2 charts💰AndroidIn-app price range changed📦AndroidUpdated to version 1.6.0🎉iOSIn-app event: Memory Games at Maze Palace🆕iOSFirst spotted by AppInsider🆕AndroidFirst spotted by AppInsider🆕AndroidReleased on Google Play🆕iOSReleased on the App Store
Full timeline · 35 events
- 📈memoryOS: Memory Games entered the top 100iOSTop Grossing · Education · IN
- 📦memoryOS: Memory Games updated to version 1.6.3iOSThank you for your continued feedback! We are dedicated to making mOS the best experience possible for you. In this update, we’ve focused on stability and performance:
Stability and Performance
We’ve fixed several bugs and improved overall app stability for a smoother experience.
Small Touches
We’ve updated Loci-related icons and added smooth animations to the Onboarding Survey screens.… more - 📈memoryOS: Memory Games entered the top 100iOSTop Grossing · Education · FR
- 📈memoryOS: Memory Games charting in a new countryiOSFrance
- 💰memoryOS: Memory Games: in-app price range changedAndroid$0.99 - $174.99 per item → $0.99 - $159.99 per item · US
- 📈memoryOS: Memory Games entered the top 100AndroidTop Free · Education · AU
- 📈memoryOS: Memory Games charting in a new countryiOSCanada
- 📦memoryOS: Memory Games updated to version 1.6.2iOSThank you for your continued feedback! We are dedicated to making mOS the best experience possible for you. In this update, we’ve focused on user experience and performance:
iPhone Duo Support
The app is now adapted for iPhone Duo — same great mOS experience on the newest device.
Refreshed Transfer Explainer
We’ve updated the Transfer Explainer with a cleaner, clearer walkthrough to guide you through the process.
Under the Hood
We've fixed several bugs and improved overall app stability.… more - 📦memoryOS: Memory Games updated to version 1.6.2AndroidThank you for your continued feedback! We are dedicated to making mOS the best experience possible for you. In this update, we’ve focused on user experience and performance:
Refreshed Transfer Explainer
We’ve updated the Transfer Explainer with a cleaner, clearer walkthrough to guide you through the process.
Under the Hood
We've fixed several bugs and improved overall app stability.… more - 📈memoryOS: Memory Games charting in a new countryiOSIndia
- 📦memoryOS: Memory Games updated to version 1.6.1iOSThank you for your continued feedback! We are dedicated to making mOS the best experience possible for you. In this update, we’ve focused on user experience and performance:
Smarter Onboarding Survey
Each step of survey data is now saved instantly, so your progress is always preserved right where you left off.
Under the Hood
We've fixed several bugs and improved overall app stability.… more - 📈memoryOS: Memory Games entered the top 100iOSTop Grossing · Education · DE
- 📈memoryOS: Memory Games charting in a new countryiOSGermany
- 📈memoryOS: Memory Games charting in a new country in 2 chartsAndroidThailand · Vietnam
- 📈memoryOS: Memory Games charting in a new countryAndroidNetherlands
- 📈memoryOS: Memory Games entered the top 100iOSTop Free · Education · AU
- 📈memoryOS: Memory Games charting in a new countryAndroidCanada
- 📈memoryOS: Memory Games entered the top 100iOSTop Grossing · Education · SA
- 📈memoryOS: Memory Games charting in a new countryiOSSaudi Arabia
- 📈memoryOS: Memory Games charting in a new countryAndroidAustralia
- 📦memoryOS: Memory Games updated to version 1.6.0iOSThank you for your continued feedback! We are dedicated to making mOS the best experience possible for you. In this update, we've focused on user experience and performance:
Smoother Palaces
We've resolved freezing issues that occurred while exploring 3D Palaces for a seamless, uninterrupted experience.
Full Video Transcript
You can now access the complete transcript of any video — follow along, review key points, or read at your own pace.
Refreshed Pre & Post-test Experience
We've updated the completion screens for both Pre and Post-tests, along with a cleaner Result Comparison view to better highlight your progress between the two.
Under the Hood
We've fixed several bugs and improved overall app stability for a smoother experience.… more - 💰memoryOS: Memory Games: in-app price range changedAndroid$0.99 - $149.99 per item → $0.99 - $174.99 per item · US
- 📦memoryOS: Memory Games updated to version 1.6.0AndroidThank you for your continued feedback! We are dedicated to making mOS the best experience possible for you. In this update we've focused on user experience and performance:
Smoother Palaces
Fixed freezing issues while exploring 3D Palaces.
Full Video Transcript
We’ve added a full transcript to every video.
Refreshed Pre & Post-test Experience
Updated completion screens and Result Comparison to highlight your progress.
Under the Hood
We've fixed several bugs and improved app stability.… more - 📈memoryOS: Memory Games entered the top 100AndroidTop Grossing · Education · US
- 🎉memoryOS: Memory Games in-app event: Memory Games at Maze PalaceiOSMAJOR UPDATE · until 29 Oct
- 📈memoryOS: Memory Games entered the top 100 in 2 chartsiOSTop Grossing · Education · AE · Top Free · Education · US
- 📈memoryOS: Memory Games charting in a new countryiOSUnited Arab Emirates
- 📈memoryOS: Memory Games entered the top 100iOSTop Grossing · Education · ID
- 📈memoryOS: Memory Games charting in a new countryiOSIndonesia
- 🆕memoryOS: Memory Games first spotted by AppInsideriOS#51 in Top Grossing · Education · United States
- 🆕memoryOS: Memory Games first spotted by AppInsiderAndroidUnited States
- 📦memoryOS: Memory Games version 1.5.9iOSThank you for your continued feedback! We are dedicated to making mOS the best experience possible for you. In this update, we've focused on user experience and performance:
Fresh First Impression
We've updated the Splash Screen with a new look to welcome you in style.
Better Onboarding
We've refined the app onboarding flow to get you up and running faster and more smoothly than ever.
Under the Hood
We've fixed several bugs and improved overall app stability for a smoother experience.… more - 📦memoryOS: Memory Games version 1.5.9AndroidThank you for your continued feedback! We are dedicated to making mOS the best experience possible for you. In this update, we've focused on user experience and performance:
Better Onboarding
We've refined the app onboarding flow to get you up and running faster and more smoothly than ever.
Under the Hood
We've fixed several bugs and improved overall app stability for a smoother experience.… more - 🆕memoryOS: Memory Games released on Google PlayAndroid
- 🆕memoryOS: Memory Games released on the App StoreiOS
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.9 ★
31k ratings, both stores
Measured
Best rank now
#61
App Store · 
Education Grossing
Education GrossingMeasured
New ratings a week
278
▲ +21% vs the 2 weeks before (App Store)
Measured
App Store
App details
App ID
1553283646
Publisher
Encoder Inc.
Publisher country
United States
On the store since
Apr 2021
5 years on the store
Minimum OS
iOS 15.2+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
EN
Size
243 MB
Also listed in
Health & Fitness
Google Play
App details
App ID
com.memoryos.app
Publisher
Encoder Inc.
Publisher country
United States
Content rating
Everyone
memoryOS: Memory Games downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| App Store | 1k+ | 500k+ |
| Google Play | 100+ | 100k+ Measured |
| Total | 1k+ Confidence | 1M+ Confidence |
How this is calculated
App Store: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Where memoryOS: Memory Games's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend before Apple and Google take their fee.
| Store | Per day | Per month | Share |
|---|---|---|---|
| App Store | |||
| Google Play | |||
| Total | Confidence | 100% |
Business model: Subscription-led
How memoryOS: Memory Games makes money: subscriptions, one-off purchases and ads.
SubscriptionsIn-app purchases
Subscriptions
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | Expert Annual Plan subscription | |
| 2 | Expert Monthly Plan subscription | |
| 3 | Expert Annual Plan subscription | |
| 4 | Essential Annual Plan subscription | |
| 5 | Expert Annual Plan subscription | |
| 6 | Student Monthly Plan subscription | |
| 7 | Expert Annual Plan subscription | |
| 8 | Essential Annual Plan subscription | |
| 9 | Essential Monthly Plan subscription | |
| 10 | Essential Weekly Plan subscription |
Where it ranks now
Both stores, across every country we track.
| Store | Best rank | Charting in | US Top Free | US Top Grossing |
|---|---|---|---|---|
| App Store | #61 Education Grossing | 1 of 30 countries | #87 | #61 |
| Google Play | #87 Education Grossing | 7 of 23 countries | – | #87 |
Full chart lists: App Store · Google Play.
Review momentum
ⓘ How we measure thisApp Store
New ratings a week
200
▲ +21% vs the 2 weeks before
Written reviews a week
6.8
US App Store
Recent ratings
4.9★
vs 4.9★ lifetime
Recent written reviews
3.7★
people who write skew negative
Review momentum
88/100
faster than 97% of Education apps
Growing fastest in 
Australia ▲ +42%
New ratings by country (5)
| Country | New ratings a week | Share | Last 2 weeks vs the 2 before |
|---|---|---|---|
| United States | 163 | 81% | ▲ +21% |
 Canada | 20 | 10% | – |
| Australia | 14 | 7% | ▲ +42% |
 India | 2.3 | 1% | – |
 United Arab Emirates | 1 | 0% | – |
App Store ratings in the countries we track, 4-week average.
Google Play
New ratings a week
78
▼ -23% vs the 2 weeks before
Recent ratings
3.8★
vs 4.8★ lifetime
Recent written reviews
4.2★
people who write skew negative
Review momentum
51/100
faster than 66% of Education apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.9 ★ | 17k |
| Google Play | 4.8 ★ | 14k 1.1k written reviews |
| Both stores | 4.9 ★ weighted by ratings | 31k |
What users say about memoryOS: Memory Games
From the 97 most recent App Store reviews in the US.
Mostly positive (75% of recent reviews give 4–5 stars). People like it for being fun, and being useful. The main complaints are about price and subscriptions, and speed and performance.
What people like
- Fun: “Fun and immediate results”
- Useful: “I am finding the app helpful”
- Features & content: “Best memory training tool”
- Price & subscription: “Just wish you didn’t have to pay so much”
Common complaints
- Price & subscription: “No Free Trial + $150 per year is insane”
- Speed & performance: “Day 3, App just isn’t loading anymore”
- Privacy & data: “This app is simply a scam”
- Features & content: “The onboarding wizard is so long and repetitive and there’s not an option to skip anything”
About memoryOS: Memory Games
memoryOS contains interactive bite-sized lessons by a 2X World Memory Champion and an educational 3D game of Virtual Mind Palaces - all in one easy-to-use app. It utilizes scientifically proven memory techniques, spaced repetition and patented game mechanics to enhance long-term memory storage and improve knowledge retention.
memoryOS is loved by 500,000+ people worldwide because it is a whole new, joyful & game-changing tool for obtaining the most effective memorization skills.
Co-founded by Jonas von Essen, who went from struggling to remember to becoming a World Memory Champion, winning on Who Wants To Be a Millionaire, "Jeopardy, and setting a world record by memorizing 100,000 decimals of Pi .
memoryOS app has over 18k public worldwide ratings on Apple and Google app stores combined, averaging 4.8 stars. Users also continue adding 5-star reviews daily, sharing how effective and life-changing memoryOS has been for them. Also, memoryOS remains the most crowdfunded app in Kickstarter’s history.
Memorization is as important as reading and writing and should be taught as our base skill. Our mission is to enable millions of people to remember needed information easily.
With memoryOS, you will learn how to memorize:
- Names, Long speeches, Lists of items, Birthdays, Personal facts, Passwords, Trivia, Languages, Vocabulary and phrases, Countries and Capitals, Flags, Historical timeline, Numbers, Periodic table
- Content of complete books, Dates of significant events, Complex data structures, Concepts, and figures
- Art, Anatomy, Decks of cards, Advanced number systems; Long sequences of numbers, Binary Digits
You will also learn:
- How to keep track of years, months, weeks, and days
- Advanced study techniques, Spaced Repetition system, Speed memorization
Why did Google Brands Accelerator recognize memoryOS as being 'Light Years Ahead' in the memory space?
• memoryOS delivers results:
During our pre-launch phase, thousands of users completed our demo and, on average, had a 70% increase in recall and a 60% increase in recall speed just after the first ~40min session.
• Providing your mind with structured storage space:
We have spent tens of thousands of hours creating and optimizing our Virtual Mind Palaces, so you don’t have to spend months constructing your own the hard way. These virtual palaces serve as blueprints for your mind's storage space, allowing you to easily encode, store and recall like a memory champion.
• A proven innovative approach that works:
During our research and development stage, thousands of people of all age groups and even those with difficult medical conditions found memoryOS as an effective and useful tool. Actual results exceeded our team’s expectations.
• Gamified edtech at its best:
memoryOS has proven to work on people with no prior gaming experience - anyone can use it. Utilizing the power of the Unity game engine, memoryOS is widely accessible on all mobile and tablet devices and is soon coming t
memoryOS is loved by 500,000+ people worldwide because it is a whole new, joyful & game-changing tool for obtaining the most effective memorization skills.
Co-founded by Jonas von Essen, who went from struggling to remember to becoming a World Memory Champion, winning on Who Wants To Be a Millionaire, "Jeopardy, and setting a world record by memorizing 100,000 decimals of Pi .
memoryOS app has over 18k public worldwide ratings on Apple and Google app stores combined, averaging 4.8 stars. Users also continue adding 5-star reviews daily, sharing how effective and life-changing memoryOS has been for them. Also, memoryOS remains the most crowdfunded app in Kickstarter’s history.
Memorization is as important as reading and writing and should be taught as our base skill. Our mission is to enable millions of people to remember needed information easily.
With memoryOS, you will learn how to memorize:
- Names, Long speeches, Lists of items, Birthdays, Personal facts, Passwords, Trivia, Languages, Vocabulary and phrases, Countries and Capitals, Flags, Historical timeline, Numbers, Periodic table
- Content of complete books, Dates of significant events, Complex data structures, Concepts, and figures
- Art, Anatomy, Decks of cards, Advanced number systems; Long sequences of numbers, Binary Digits
You will also learn:
- How to keep track of years, months, weeks, and days
- Advanced study techniques, Spaced Repetition system, Speed memorization
Why did Google Brands Accelerator recognize memoryOS as being 'Light Years Ahead' in the memory space?
• memoryOS delivers results:
During our pre-launch phase, thousands of users completed our demo and, on average, had a 70% increase in recall and a 60% increase in recall speed just after the first ~40min session.
• Providing your mind with structured storage space:
We have spent tens of thousands of hours creating and optimizing our Virtual Mind Palaces, so you don’t have to spend months constructing your own the hard way. These virtual palaces serve as blueprints for your mind's storage space, allowing you to easily encode, store and recall like a memory champion.
• A proven innovative approach that works:
During our research and development stage, thousands of people of all age groups and even those with difficult medical conditions found memoryOS as an effective and useful tool. Actual results exceeded our team’s expectations.
• Gamified edtech at its best:
memoryOS has proven to work on people with no prior gaming experience - anyone can use it. Utilizing the power of the Unity game engine, memoryOS is widely accessible on all mobile and tablet devices and is soon coming t
memoryOS: Memory Games App Store
memoryOS: Memory Games gets 1k+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
memoryOS: Memory Games is #61 in Education Grossing in United States and charting in 1 of 30 countries we track.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperEncoder Inc.
CategoryEducation
PriceFree
Released
Rating★ 4.9 (17k)
Version1.6.3
Age rating4+
First seen by us 25 Sep 2026
25 Sep 2026Installs (est.)500k+ worldwide
Rating
4.9 ★
17k ratings
Measured
Best rank now
#61
Education GrossingMeasured
New ratings a week
200
▲ +21% vs the 2 weeks before
Measured
memoryOS: Memory Games on the App Store
App details
App ID
1553283646
Publisher
Encoder Inc.
Publisher country
United States
On the store since
Apr 2021
5 years on the store
Minimum OS
iOS 15.2+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
EN
Size
243 MB
Also listed in
Health & Fitness
memoryOS: Memory Games downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where memoryOS: Memory Games's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in memoryOS: Memory Games before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: Subscription-led
How memoryOS: Memory Games makes money: subscriptions, one-off purchases and ads.
SubscriptionsIn-app purchases
Subscriptions
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | Expert Annual Plan subscription | |
| 2 | Expert Monthly Plan subscription | |
| 3 | Expert Annual Plan subscription | |
| 4 | Essential Annual Plan subscription | |
| 5 | Expert Annual Plan subscription | |
| 6 | Student Monthly Plan subscription | |
| 7 | Expert Annual Plan subscription | |
| 8 | Essential Annual Plan subscription | |
| 9 | Essential Monthly Plan subscription | |
| 10 | Essential Weekly Plan subscription |
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| United States | EducationGrossing | #61 |
| United States | EducationFree | #87 |
Apps near memoryOS: Memory Games on the chart
Education Grossing, around #61.
Chegg Study - Homework Help#56
Socratic AI - Homework Helper#57
Coloring Games for Kids 2-6!#58
Ling – Learn Languages Easily#59
SkillCat: EPA 608 & HVAC#60
Gibson: Learn to Play Guitar#62
Toca Boca Jr: Fun Kids Games#63
Plantum - AI Plant Identifier#64
IQ Boost: Brain Trainer, Games#65
Kahoot! Play & Create Quizzes#66
Ratings
App Store, worldwide.
Rating
4.9 ★
17k ratings
Measured
Ratings
17k
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
200
▲ +21% vs the 2 weeks before
Written reviews a week
6.8
US App Store
Recent ratings
4.9★
vs 4.9★ lifetime
Recent written reviews
3.7★
people who write skew negative
Review momentum
88/100
faster than 97% of Education apps
Growing fastest in Australia ▲ +42%
New ratings by country (5)
| Country | New ratings a week | Share | Last 2 weeks vs the 2 before |
|---|---|---|---|
| United States | 163 | 81% | ▲ +21% |
| Canada | 20 | 10% | – |
| Australia | 14 | 7% | ▲ +42% |
| India | 2.3 | 1% | – |
| United Arab Emirates | 1 | 0% | – |
App Store ratings in the countries we track, 4-week average.
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
What users say about memoryOS: Memory Games
From the 97 most recent App Store reviews in the US.
Mostly positive (75% of recent reviews give 4–5 stars). People like it for being fun, and being useful. The main complaints are about price and subscriptions, and speed and performance.
What people like
- Fun: “Fun and immediate results”
- Useful: “I am finding the app helpful”
- Features & content: “Best memory training tool”
- Price & subscription: “Just wish you didn’t have to pay so much”
Common complaints
- Price & subscription: “No Free Trial + $150 per year is insane”
- Speed & performance: “Day 3, App just isn’t loading anymore”
- Privacy & data: “This app is simply a scam”
- Features & content: “The onboarding wizard is so long and repetitive and there’s not an option to skip anything”
About memoryOS: Memory Games
memoryOS contains interactive bite-sized lessons by a 2X World Memory Champion and an educational 3D game of Virtual Mind Palaces - all in one easy-to-use app. It utilizes scientifically proven memory techniques, spaced repetition and patented game mechanics to enhance long-term memory storage and improve knowledge retention.
memoryOS is loved by 500,000+ people worldwide because it is a whole new, joyful & game-changing tool for obtaining the most effective memorization skills.
Co-founded by Jonas von Essen, who went from struggling to remember to becoming a World Memory Champion, winning on Who Wants To Be a Millionaire, "Jeopardy, and setting a world record by memorizing 100,000 decimals of Pi .
memoryOS app has over 18k public worldwide ratings on Apple and Google app stores combined, averaging 4.8 stars. Users also continue adding 5-star reviews daily, sharing how effective and life-changing memoryOS has been for them. Also, memoryOS remains the most crowdfunded app in Kickstarter’s history.
Memorization is as important as reading and writing and should be taught as our base skill. Our mission is to enable millions of people to remember needed information easily.
With memoryOS, you will learn how to memorize:
- Names, Long speeches, Lists of items, Birthdays, Personal facts, Passwords, Trivia, Languages, Vocabulary and phrases, Countries and Capitals, Flags, Historical timeline, Numbers, Periodic table
- Content of complete books, Dates of significant events, Complex data structures, Concepts, and figures
- Art, Anatomy, Decks of cards, Advanced number systems; Long sequences of numbers, Binary Digits
You will also learn:
- How to keep track of years, months, weeks, and days
- Advanced study techniques, Spaced Repetition system, Speed memorization
Why did Google Brands Accelerator recognize memoryOS as being 'Light Years Ahead' in the memory space?
• memoryOS delivers results:
During our pre-launch phase, thousands of users completed our demo and, on average, had a 70% increase in recall and a 60% increase in recall speed just after the first ~40min session.
• Providing your mind with structured storage space:
We have spent tens of thousands of hours creating and optimizing our Virtual Mind Palaces, so you don’t have to spend months constructing your own the hard way. These virtual palaces serve as blueprints for your mind's storage space, allowing you to easily encode, store and recall like a memory champion.
• A proven innovative approach that works:
During our research and development stage, thousands of people of all age groups and even those with difficult medical conditions found memoryOS as an effective and useful tool. Actual results exceeded our team’s expectations.
• Gamified edtech at its best:
memoryOS has proven to work on people with no prior gaming experience - anyone can use it. Utilizing the power of the Unity game engine, memoryOS is widely accessible on all mobile and tablet devices and is soon coming t
memoryOS is loved by 500,000+ people worldwide because it is a whole new, joyful & game-changing tool for obtaining the most effective memorization skills.
Co-founded by Jonas von Essen, who went from struggling to remember to becoming a World Memory Champion, winning on Who Wants To Be a Millionaire, "Jeopardy, and setting a world record by memorizing 100,000 decimals of Pi .
memoryOS app has over 18k public worldwide ratings on Apple and Google app stores combined, averaging 4.8 stars. Users also continue adding 5-star reviews daily, sharing how effective and life-changing memoryOS has been for them. Also, memoryOS remains the most crowdfunded app in Kickstarter’s history.
Memorization is as important as reading and writing and should be taught as our base skill. Our mission is to enable millions of people to remember needed information easily.
With memoryOS, you will learn how to memorize:
- Names, Long speeches, Lists of items, Birthdays, Personal facts, Passwords, Trivia, Languages, Vocabulary and phrases, Countries and Capitals, Flags, Historical timeline, Numbers, Periodic table
- Content of complete books, Dates of significant events, Complex data structures, Concepts, and figures
- Art, Anatomy, Decks of cards, Advanced number systems; Long sequences of numbers, Binary Digits
You will also learn:
- How to keep track of years, months, weeks, and days
- Advanced study techniques, Spaced Repetition system, Speed memorization
Why did Google Brands Accelerator recognize memoryOS as being 'Light Years Ahead' in the memory space?
• memoryOS delivers results:
During our pre-launch phase, thousands of users completed our demo and, on average, had a 70% increase in recall and a 60% increase in recall speed just after the first ~40min session.
• Providing your mind with structured storage space:
We have spent tens of thousands of hours creating and optimizing our Virtual Mind Palaces, so you don’t have to spend months constructing your own the hard way. These virtual palaces serve as blueprints for your mind's storage space, allowing you to easily encode, store and recall like a memory champion.
• A proven innovative approach that works:
During our research and development stage, thousands of people of all age groups and even those with difficult medical conditions found memoryOS as an effective and useful tool. Actual results exceeded our team’s expectations.
• Gamified edtech at its best:
memoryOS has proven to work on people with no prior gaming experience - anyone can use it. Utilizing the power of the Unity game engine, memoryOS is widely accessible on all mobile and tablet devices and is soon coming t
Latest updates
1.6.3
Thank you for your continued feedback! We are dedicated to making mOS the best experience possible for you. In this update, we’ve focused on stability and performance:
Stability and Performance
We’ve fixed several bugs and improved overall app stability for a smoother experience.
Small Touches
We’ve updated Loci-related icons and added smooth animations to the Onboarding Survey screens.
1.6.2
Thank you for your continued feedback! We are dedicated to making mOS the best experience possible for you. In this update, we’ve focused on user experience and performance:
iPhone Duo Support
The app is now adapted for iPhone Duo — same great mOS experience on the newest device.
Refreshed Transfer Explainer
We’ve updated the Transfer Explainer with a cleaner, clearer walkthrough to guide you through the process.
Under the Hood
We've fixed several bugs and improved overall app stability.
1.6.1
Thank you for your continued feedback! We are dedicated to making mOS the best experience possible for you. In this update, we’ve focused on user experience and performance:
Smarter Onboarding Survey
Each step of survey data is now saved instantly, so your progress is always preserved right where you left off.
Under the Hood
We've fixed several bugs and improved overall app stability.
More from Encoder Inc.
memoryOS: Improve Your Memory Android
memoryOS: Improve Your Memory gets 1k+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
memoryOS: Improve Your Memory is #87 in Education Grossing on Google Play in United States and charting in 7 of 23 countries we track.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperEncoder Inc.
CategoryEducation
PriceFree
Released
Installs100k+
Rating★ 4.8 (14k)
Updated
Content ratingEveryone
Rating
4.8 ★
14k ratings
Measured
Best rank now
#87
Education GrossingMeasured
New ratings a week
78
▼ -23% vs the 2 weeks before
Measured
memoryOS: Improve Your Memory on Google Play
App details
App ID
com.memoryos.app
Publisher
Encoder Inc.
Publisher country
United States
Content rating
Everyone
memoryOS: Improve Your Memory downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where memoryOS: Improve Your Memory's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in memoryOS: Improve Your Memory before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: Subscription-led
How memoryOS: Improve Your Memory makes money: subscriptions, one-off purchases and ads.
SubscriptionsIn-app purchases
Subscriptions
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | Expert Annual Plan subscription | |
| 2 | Expert Monthly Plan subscription | |
| 3 | Expert Annual Plan subscription | |
| 4 | Essential Annual Plan subscription | |
| 5 | Expert Annual Plan subscription | |
| 6 | Student Monthly Plan subscription | |
| 7 | Expert Annual Plan subscription | |
| 8 | Essential Annual Plan subscription | |
| 9 | Essential Monthly Plan subscription | |
| 10 | Essential Weekly Plan subscription |
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| United States | EducationGrossing | #87 |
| Australia | EducationFree | #143 |
 Saudi Arabia | EducationGrossing | #140 |
| United Arab Emirates | EducationGrossing | #135 |
 Netherlands | EducationGrossing | #144 |
| Netherlands | EducationFree | #151 |
 Thailand | EducationGrossing | #147 |
 Vietnam | EducationGrossing | #135 |
Apps near memoryOS: Improve Your Memory on the chart
Education Grossing, around #87.
Ratings
Google Play, worldwide.
Rating
4.8 ★
14k ratings
Measured
Ratings
14k
Measured
Written reviews
1.1k
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
78
▼ -23% vs the 2 weeks before
Recent ratings
3.8★
vs 4.8★ lifetime
Recent written reviews
4.2★
people who write skew negative
Review momentum
51/100
faster than 66% of Education apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
What users say about memoryOS: Improve Your Memory
From the 100 most recent Google Play reviews in the US.
Mostly positive (80% of recent reviews give 4–5 stars). People like it for being fun, and being easy to use. The main complaints are about price and subscriptions, and missing features or content. Recent reviews are more negative than earlier ones.
What people like
- Fun: “very relaxing way to learn”
- Ease of use: “Quick and easy to use app”
- Features & content: “Excellent memory tool and framework”
- Useful: “I would recommend this app”
Common complaints
- Price & subscription: “What a ploy to get free money?”
- Features & content: “I thought I was purchasing a training tool”
- Speed & performance: “Deleted the app as fast as I could”
- Design: “app looks good and managed to get through 1st exercise”
About memoryOS: Improve Your Memory
Learn how to memorize any information, supercharge and improve your memory and brain with the most crowdfunded app in Kickstarter’s history!
memoryOS is a completely new and fun approach to enable great memory skills and learn how to memorize anything through visual memory training games. It contains interactive bite-sized lessons by a 2X World Memory Champion and an educational 3D game of Virtual Mind or Palaces - all in one easy-to-use memoryOS app.
It utilizes scientifically proven memory techniques and spaced repetition mechanics to improve long-term memory storage and improve knowledge retention.
memoryOS is loved by thousands of people worldwide because it is a whole new joyful & game-changing approach for obtaining the most effective memorization skills for the brain while having fun.
Memorization is as important as reading and writing and should be taught as our base skill. Our goal is to make memorization skills the new norm by making them easy to obtain and widely accessible.
Erase all the uncomfortable “I don’t remember” episodes from daily life, control your memory, ace tests with calmness, and learn speeches, names, dates, trivia, and everything important while improving your brain health. As a result, you will become confident in your own abilities to remember under any circumstances or even become a person who has remarkable memory skills – a mnemonist.
With mOS, you will train and improve your brain with memory exercises and games:
Names, Long speeches, Lists of items, Birthdays, Personal facts, Passwords, Trivia, Languages, Vocabulary and phrases, Countries and capitals, Flags, Historical timeline, Numbers, Periodic table
Content of complete books, Dates of significant events, Complex data structures, Concepts, and figures
Art, Anatomy, Decks of cards, Advanced number systems; Long sequences of numbers, Binary Digits
You will also train and improve your brain with the following exercises:
How to keep track of years, months, weeks, and days
Advanced study techniques, Spaced Repetition system
New Mnemonics Techniques
memoryOS is an online app that helps kids and adults focus, and provides brain stimulation through gamified training.
Why is memoryOS lightyears ahead compared to any other memory booster and training tools?
• memoryOS shows results after the first training session:
During our pre-launch phase, thousands of users completed our demo and, on average, had a 70% increase in recall and a 60% increase in recall speed just after the first ~40min training session.
• Providing your brain with structured storage space:
We have spent thousands of hours creating and optimizing our Virtual Mind Palaces, so you don’t have to spend months constructing your own the hard way. These virtual palaces serve as blueprints for your brain's storage space, allowing you to easily encode, store and recall like a champion.
• A proven innovative approach that works:
During our research and development stage, thousands of people of a
memoryOS is a completely new and fun approach to enable great memory skills and learn how to memorize anything through visual memory training games. It contains interactive bite-sized lessons by a 2X World Memory Champion and an educational 3D game of Virtual Mind or Palaces - all in one easy-to-use memoryOS app.
It utilizes scientifically proven memory techniques and spaced repetition mechanics to improve long-term memory storage and improve knowledge retention.
memoryOS is loved by thousands of people worldwide because it is a whole new joyful & game-changing approach for obtaining the most effective memorization skills for the brain while having fun.
Memorization is as important as reading and writing and should be taught as our base skill. Our goal is to make memorization skills the new norm by making them easy to obtain and widely accessible.
Erase all the uncomfortable “I don’t remember” episodes from daily life, control your memory, ace tests with calmness, and learn speeches, names, dates, trivia, and everything important while improving your brain health. As a result, you will become confident in your own abilities to remember under any circumstances or even become a person who has remarkable memory skills – a mnemonist.
With mOS, you will train and improve your brain with memory exercises and games:
Names, Long speeches, Lists of items, Birthdays, Personal facts, Passwords, Trivia, Languages, Vocabulary and phrases, Countries and capitals, Flags, Historical timeline, Numbers, Periodic table
Content of complete books, Dates of significant events, Complex data structures, Concepts, and figures
Art, Anatomy, Decks of cards, Advanced number systems; Long sequences of numbers, Binary Digits
You will also train and improve your brain with the following exercises:
How to keep track of years, months, weeks, and days
Advanced study techniques, Spaced Repetition system
New Mnemonics Techniques
memoryOS is an online app that helps kids and adults focus, and provides brain stimulation through gamified training.
Why is memoryOS lightyears ahead compared to any other memory booster and training tools?
• memoryOS shows results after the first training session:
During our pre-launch phase, thousands of users completed our demo and, on average, had a 70% increase in recall and a 60% increase in recall speed just after the first ~40min training session.
• Providing your brain with structured storage space:
We have spent thousands of hours creating and optimizing our Virtual Mind Palaces, so you don’t have to spend months constructing your own the hard way. These virtual palaces serve as blueprints for your brain's storage space, allowing you to easily encode, store and recall like a champion.
• A proven innovative approach that works:
During our research and development stage, thousands of people of a
What's new in 1.6.3
Thank you for your continued feedback! We are dedicated to making mOS the best experience possible for you. In this update, we’ve focused on stability and performance:
Stability and Performance
We’ve fixed several bugs and improved overall app stability for a smoother experience.
Small Touches
We’ve updated Loci-related icons and added smooth animations to the Onboarding Survey screens.
Stability and Performance
We’ve fixed several bugs and improved overall app stability for a smoother experience.
Small Touches
We’ve updated Loci-related icons and added smooth animations to the Onboarding Survey screens.
Store changes
What memoryOS: Improve Your Memory changed on its store page: name, icon, screenshots, price, size, languages, requirements.
In-app price range changed
$0.99 - $174.99 per item → $0.99 - $159.99 per item
In-app price range changed
$0.99 - $149.99 per item → $0.99 - $174.99 per item