Knock Knock: Room Defense: iPhone vs Android
52 days old
Knock Knock: Room Defense gets 100+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Knock Knock: Room Defense by Joy Net Games is on both the App Store and Google Play. Here are both versions together: downloads, users, revenue, ratings and chart positions, store by store with totals.
Rating
4.3 ★
5k ratings, both stores
Measured
Best rank now
#65
Android · 
Games › Casual Grossing
Games › Casual GrossingMeasured
Knock Knock: Room Defense at a glance
AI summary written from our chart and store data. It can be wrong: check the numbers above.
Tower Defense Cartoon 3D Horror/Urban Legends short sessions IAP Gacha
#horror #strategy #chibi #casual #pve #collection
App Store
App details
App ID
6786741117
Publisher
JOY MOBILE NETWORK PTE. LTD.
Publisher country
Hong Kong
On the store since
Sep 2026
Under a year
Minimum OS
iOS 15+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
12+
1 content note below
Languages
18
AR EN FR DE ID IT JA KO MS PL PT RU …
Size
562 MB
Also listed in
Role-Playing, Strategy
Content notesFrequent/Intense Cartoon or Fantasy Violence
Google Play
App details
App ID
com.ygjszus.google
Publisher
JUXIN NETWORK LIMITED
Publisher country
Hong Kong
Content rating
Teen
Knock Knock: Room Defense downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | 5+ | – |
| Google Play | 100+ | 100k+ Measured |
| Total | 100+ Confidence | 100k+ Confidence |
How this is calculated
iPhone: 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 Knock Knock: Room Defense'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
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: In-app purchase-led
How Knock Knock: Room Defense makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 6 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | 0.99 Pack | |
| 2 | 4.99 Pack | |
| 3 | 2.99 Pack | |
| 4 | 10.99 Pack | |
| 5 | 1.99 Pack | |
| 6 | 0.29 Pack | |
| 7 | 19.99 Pack | |
| 8 | 14.99 Pack | |
| 9 | 49.99 Pack | |
| 10 | 99.99 Pack |
Where it ranks now
Both stores, across every country we track.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.6 ★ | 50 |
| Google Play | 4.3 ★ | 4.9k 76 written reviews |
| Both stores | 4.3 ★ weighted by ratings | 5k |
About Knock Knock: Room Defense
[Special Rewards] 404 Draws, Character Skin, Random Orange Hero, and Limited Decor!
When your city becomes the hunting ground for ghosts and monsters... "Knock, knock." Someone's knocking on your door...
"Shh, don't make a sound, and don't open the door."
Creatures from age-old tales and urban legends are trying to break into your house. Your job? Close the door and defend it with your heroes as your heart pounds with excitement and no fear.
Schools, hospitals, hotels, streets, and office buildings—the most mundane locations become thrill-filled tower defense challenges. Get ready for stunning visuals and smooth controls in 5-minute matches!
[Five Main Features to Define New Horror Tower Defense]
※ Choose your room, close the door, relax, and level up!
Ghosts are here and there's no escape? Well—kick back and relax!
Choose your room, close the door, and kick back to level up in dreams and summon heroes to build your defense line! It's up to you to defend the ghosts and monsters at night!
※ Strategize to turn the table in the mind game
No risking your life, but more than hide-and-seek! Everything from the beds, doors, to your heroes can be leveled up, because the whole room is your defense line. Build the right lineup and plan wisely for every challenge and event. Every win is guaranteed to be rewarding.
※ Immersive visual experience
Dive into the immersive eerie world with a distinct gothic chibi-style aesthetic. Is it blood or wine in the cup held by the vampire? Why is the killer with a chainsaw wearing a cute bunny mask? A hundred unique and stylized heroes and ghosts with cute horror elements.
※ Wide selections of avatars and instances
Turn into a ghost hunter and explore all kinds of haunted locations—from a train with lingering phantoms, a dormitory echoing with singing at midnight, to a mysterious underground cave. Now, pick your avatar from a wide collection and brace yourself for the ghost chase.
※ Fast and exciting tower defense battle
Grab your phone and start a 5-minute no-stress match anytime, anywhere! Quality tower defense fun made simple and fast.
When your city becomes the hunting ground for ghosts and monsters... "Knock, knock." Someone's knocking on your door...
"Shh, don't make a sound, and don't open the door."
Creatures from age-old tales and urban legends are trying to break into your house. Your job? Close the door and defend it with your heroes as your heart pounds with excitement and no fear.
Schools, hospitals, hotels, streets, and office buildings—the most mundane locations become thrill-filled tower defense challenges. Get ready for stunning visuals and smooth controls in 5-minute matches!
[Five Main Features to Define New Horror Tower Defense]
※ Choose your room, close the door, relax, and level up!
Ghosts are here and there's no escape? Well—kick back and relax!
Choose your room, close the door, and kick back to level up in dreams and summon heroes to build your defense line! It's up to you to defend the ghosts and monsters at night!
※ Strategize to turn the table in the mind game
No risking your life, but more than hide-and-seek! Everything from the beds, doors, to your heroes can be leveled up, because the whole room is your defense line. Build the right lineup and plan wisely for every challenge and event. Every win is guaranteed to be rewarding.
※ Immersive visual experience
Dive into the immersive eerie world with a distinct gothic chibi-style aesthetic. Is it blood or wine in the cup held by the vampire? Why is the killer with a chainsaw wearing a cute bunny mask? A hundred unique and stylized heroes and ghosts with cute horror elements.
※ Wide selections of avatars and instances
Turn into a ghost hunter and explore all kinds of haunted locations—from a train with lingering phantoms, a dormitory echoing with singing at midnight, to a mysterious underground cave. Now, pick your avatar from a wide collection and brace yourself for the ghost chase.
※ Fast and exciting tower defense battle
Grab your phone and start a 5-minute no-stress match anytime, anywhere! Quality tower defense fun made simple and fast.
Knock Knock: Room Defense iPhone
52 days old
Knock Knock: Room Defense gets 100+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Not in any tracked top chart right now.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperJoy Net Games
CategoryGames
PriceFree
Released
Rating★ 4.6 (50)
Version10000.0.70
Age rating12+
First seen by us
24 Sep 2026
24 Sep 2026Rating
4.6 ★
50 ratings
Measured
Knock Knock: Room Defense at a glance
AI summary written from our chart and store data. It can be wrong: check the numbers above.
Tower Defense Cartoon 3D Horror/Urban Legends short sessions IAP Gacha
#horror #strategy #chibi #casual #pve #collection
Knock Knock: Room Defense on the App Store
App details
App ID
6786741117
Publisher
JOY MOBILE NETWORK PTE. LTD.
Publisher country
Hong Kong
On the store since
Sep 2026
Under a year
Minimum OS
iOS 15+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
12+
1 content note below
Languages
18
AR EN FR DE ID IT JA KO MS PL PT RU …
Size
562 MB
Also listed in
Role-Playing, Strategy
Content notesFrequent/Intense Cartoon or Fantasy Violence
Knock Knock: Room Defense 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. iPhone 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 Knock Knock: Room Defense'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
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 Knock Knock: Room Defense 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: In-app purchase-led
How Knock Knock: Room Defense makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 6 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | 0.99 Pack | |
| 2 | 4.99 Pack | |
| 3 | 2.99 Pack | |
| 4 | 10.99 Pack | |
| 5 | 1.99 Pack | |
| 6 | 0.29 Pack | |
| 7 | 19.99 Pack | |
| 8 | 14.99 Pack | |
| 9 | 49.99 Pack | |
| 10 | 99.99 Pack |
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.6 ★
50 ratings
Measured
Ratings
50
Measured
About Knock Knock: Room Defense
[Special Rewards] 404 Draws, Character Skin, Random Orange Hero, and Limited Decor!
When your city becomes the hunting ground for ghosts and monsters... "Knock, knock." Someone's knocking on your door...
"Shh, don't make a sound, and don't open the door."
Creatures from age-old tales and urban legends are trying to break into your house. Your job? Close the door and defend it with your heroes as your heart pounds with excitement and no fear.
Schools, hospitals, hotels, streets, and office buildings—the most mundane locations become thrill-filled tower defense challenges. Get ready for stunning visuals and smooth controls in 5-minute matches!
[Five Main Features to Define New Horror Tower Defense]
※ Choose your room, close the door, relax, and level up!
Ghosts are here and there's no escape? Well—kick back and relax!
Choose your room, close the door, and kick back to level up in dreams and summon heroes to build your defense line! It's up to you to defend the ghosts and monsters at night!
※ Strategize to turn the table in the mind game
No risking your life, but more than hide-and-seek! Everything from the beds, doors, to your heroes can be leveled up, because the whole room is your defense line. Build the right lineup and plan wisely for every challenge and event. Every win is guaranteed to be rewarding.
※ Immersive visual experience
Dive into the immersive eerie world with a distinct gothic chibi-style aesthetic. Is it blood or wine in the cup held by the vampire? Why is the killer with a chainsaw wearing a cute bunny mask? A hundred unique and stylized heroes and ghosts with cute horror elements.
※ Wide selections of avatars and instances
Turn into a ghost hunter and explore all kinds of haunted locations—from a train with lingering phantoms, a dormitory echoing with singing at midnight, to a mysterious underground cave. Now, pick your avatar from a wide collection and brace yourself for the ghost chase.
※ Fast and exciting tower defense battle
Grab your phone and start a 5-minute no-stress match anytime, anywhere! Quality tower defense fun made simple and fast.
When your city becomes the hunting ground for ghosts and monsters... "Knock, knock." Someone's knocking on your door...
"Shh, don't make a sound, and don't open the door."
Creatures from age-old tales and urban legends are trying to break into your house. Your job? Close the door and defend it with your heroes as your heart pounds with excitement and no fear.
Schools, hospitals, hotels, streets, and office buildings—the most mundane locations become thrill-filled tower defense challenges. Get ready for stunning visuals and smooth controls in 5-minute matches!
[Five Main Features to Define New Horror Tower Defense]
※ Choose your room, close the door, relax, and level up!
Ghosts are here and there's no escape? Well—kick back and relax!
Choose your room, close the door, and kick back to level up in dreams and summon heroes to build your defense line! It's up to you to defend the ghosts and monsters at night!
※ Strategize to turn the table in the mind game
No risking your life, but more than hide-and-seek! Everything from the beds, doors, to your heroes can be leveled up, because the whole room is your defense line. Build the right lineup and plan wisely for every challenge and event. Every win is guaranteed to be rewarding.
※ Immersive visual experience
Dive into the immersive eerie world with a distinct gothic chibi-style aesthetic. Is it blood or wine in the cup held by the vampire? Why is the killer with a chainsaw wearing a cute bunny mask? A hundred unique and stylized heroes and ghosts with cute horror elements.
※ Wide selections of avatars and instances
Turn into a ghost hunter and explore all kinds of haunted locations—from a train with lingering phantoms, a dormitory echoing with singing at midnight, to a mysterious underground cave. Now, pick your avatar from a wide collection and brace yourself for the ghost chase.
※ Fast and exciting tower defense battle
Grab your phone and start a 5-minute no-stress match anytime, anywhere! Quality tower defense fun made simple and fast.
Latest updates
10000.0.70
Store changes
What Knock Knock: Room Defense changed on its store page: name, icon, screenshots, price, size, languages, requirements.
New iPad screenshots 
New screenshots
7 screenshots (was 7)
New iPad screenshots 
More from Joy Net Games
Knock Knock: Room Defense Android
58 days old
Knock Knock: Room Defense gets 100+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Knock Knock: Room Defense is #186 in Games › Casual Grossing on Google Play in United States and charting in 6 of 23 countries we track.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperJoy Nice Games
CategoryGames › Casual
PriceFree
Released
Installs100k+
Rating★ 4.3 (4.9k)
Updated
Content ratingTeen
Rating
4.3 ★
4.9k ratings
Measured
Best rank now
#186
Games › Casual GrossingMeasured
Knock Knock: Room Defense at a glance
AI summary written from our chart and store data. It can be wrong: check the numbers above.
Tower Defense Chibi Horror/Urban Legend short sessions IAP Gacha
#horror #strategy #casual #heroes #defense #quick-match
Knock Knock: Room Defense on Google Play
App details
App ID
com.ygjszus.google
Publisher
JUXIN NETWORK LIMITED
Publisher country
Hong Kong
Content rating
Teen
Knock Knock: Room Defense 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 Knock Knock: Room Defense'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 Knock Knock: Room Defense 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: In-app purchase-led
How Knock Knock: Room Defense makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 6 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | 0.99 Pack | |
| 2 | 4.99 Pack | |
| 3 | 2.99 Pack | |
| 4 | 10.99 Pack | |
| 5 | 1.99 Pack | |
| 6 | 0.29 Pack | |
| 7 | 19.99 Pack | |
| 8 | 14.99 Pack | |
| 9 | 49.99 Pack | |
| 10 | 99.99 Pack |
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| United States | Games › CasualGrossing | #186 |
| Germany | Games › CasualGrossing | #112 |
| France | Games › CasualGrossing | #94 |
| Mexico | Games › CasualGrossing | #65 |
 Brazil | Games › CasualGrossing | #102 |
 United Arab Emirates | Games › CasualGrossing | #165 |
Apps near Knock Knock: Room Defense on the chart
Games › Casual Grossing, around #186.
Ratings
Google Play, worldwide.
Rating
4.3 ★
4.9k ratings
Measured
Ratings
4.9k
Measured
Written reviews
76
Measured
About Knock Knock: Room Defense
[Special Rewards] 404 Draws, Character Skin, Random Orange Hero, and Limited Decor!
When your city becomes the hunting ground for ghosts and monsters... "Knock, knock." Someone's knocking on your door...
"Shh, don't make a sound, and don't open the door."
Creatures from age-old tales and urban legends are trying to break into your house. Your job? Close the door and defend it with your heroes as your heart pounds with excitement and no fear.
Schools, hospitals, hotels, streets, and office buildings—the most mundane locations become thrill-filled tower defense challenges. Get ready for stunning visuals and smooth controls in 5-minute matches!
[Five Main Features to Define New Horror Tower Defense]
※ Choose your room, close the door, relax, and level up!
Ghosts are here and there's no escape? Well—kick back and relax!
Choose your room, close the door, and kick back to level up in dreams and summon heroes to build your defense line! It's up to you to defend the ghosts and monsters at night!
※ Strategize to turn the table in the mind game
No risking your life, but more than hide-and-seek! Everything from the beds, doors, to your heroes can be leveled up, because the whole room is your defense line. Build the right lineup and plan wisely for every challenge and event. Every win is guaranteed to be rewarding.
※ Immersive visual experience
Dive into the immersive eerie world with a distinct gothic chibi-style aesthetic. Is it blood or wine in the cup held by the vampire? Why is the killer with a chainsaw wearing a cute bunny mask? A hundred unique and stylized heroes and ghosts with cute horror elements.
※ Wide selections of avatars and instances
Turn into a ghost hunter and explore all kinds of haunted locations—from a train with lingering phantoms, a dormitory echoing with singing at midnight, to a mysterious underground cave. Now, pick your avatar from a wide collection and brace yourself for the ghost chase.
※ Fast and exciting tower defense battle
Grab your phone and start a 5-minute no-stress match anytime, anywhere! Quality tower defense fun made simple and fast.
When your city becomes the hunting ground for ghosts and monsters... "Knock, knock." Someone's knocking on your door...
"Shh, don't make a sound, and don't open the door."
Creatures from age-old tales and urban legends are trying to break into your house. Your job? Close the door and defend it with your heroes as your heart pounds with excitement and no fear.
Schools, hospitals, hotels, streets, and office buildings—the most mundane locations become thrill-filled tower defense challenges. Get ready for stunning visuals and smooth controls in 5-minute matches!
[Five Main Features to Define New Horror Tower Defense]
※ Choose your room, close the door, relax, and level up!
Ghosts are here and there's no escape? Well—kick back and relax!
Choose your room, close the door, and kick back to level up in dreams and summon heroes to build your defense line! It's up to you to defend the ghosts and monsters at night!
※ Strategize to turn the table in the mind game
No risking your life, but more than hide-and-seek! Everything from the beds, doors, to your heroes can be leveled up, because the whole room is your defense line. Build the right lineup and plan wisely for every challenge and event. Every win is guaranteed to be rewarding.
※ Immersive visual experience
Dive into the immersive eerie world with a distinct gothic chibi-style aesthetic. Is it blood or wine in the cup held by the vampire? Why is the killer with a chainsaw wearing a cute bunny mask? A hundred unique and stylized heroes and ghosts with cute horror elements.
※ Wide selections of avatars and instances
Turn into a ghost hunter and explore all kinds of haunted locations—from a train with lingering phantoms, a dormitory echoing with singing at midnight, to a mysterious underground cave. Now, pick your avatar from a wide collection and brace yourself for the ghost chase.
※ Fast and exciting tower defense battle
Grab your phone and start a 5-minute no-stress match anytime, anywhere! Quality tower defense fun made simple and fast.