DuoCards Downloads & RevenueDuoCards: Language Flashcards · App Store & Google Play
DuoCards: Language Flashcards gets 1k+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
DuoCards: Language Flashcards by DuoCards s.r.o is on App Store and Google Play. Active Users (MAU & DAU), Downloads, rankings, keywords, revenue, and rating totals.
DuoCards: Language Flashcards update history & changes
Last change · 38 events since 4 Apr 2020Full timeline ↓Full timeline · 38 events
- 📈DuoCards: Language Flashcards entered the top 100iOSTop Free · Education · DE
- 📈DuoCards: Language Flashcards charting in a new countryiOSFrance
- 📈DuoCards: Language Flashcards entered the top 100iOSTop Grossing · Education · AE
- 📈DuoCards: Language Flashcards charting in a new countryiOSUnited Arab Emirates
- 📈DuoCards: Language Flashcards entered the top 100iOSTop Grossing · Education · ID
- 📈DuoCards: Language Flashcards charting in a new countryiOSIndonesia
- 📈DuoCards: Language Flashcards entered the top 100iOSTop Grossing · Education · BR
- 📈DuoCards: Language Flashcards charting in a new countryiOSBrazil
- 📈DuoCards: Language Flashcards charting in a new countryAndroidUnited States
- 📈DuoCards: Language Flashcards charting in a new countryAndroidItaly
- 📈DuoCards: Language Flashcards charting in a new country in 2 chartsAndroidSpain · Sweden
- 📈DuoCards: Language Flashcards entered the top 100AndroidTop Free · Education · SE
- 📈DuoCards: Language Flashcards entered the top 100AndroidTop Free · Education · NL
- 📈DuoCards: Language Flashcards entered the top 100 in 2 chartsAndroidTop Grossing · Education · TH · Top Grossing · Education · VN
- 📈DuoCards: Language Flashcards charting in a new country in 2 chartsAndroidThailand · Vietnam
- 📈DuoCards: Language Flashcards charting in a new country in 2 chartsAndroidNetherlands · Turkey
- 📈DuoCards: Language Flashcards entered the top 100 in 2 chartsAndroidTop Grossing · Education · NL · Top Grossing · Education · TR
- 📈DuoCards: Language Flashcards charting in a new countryAndroidSouth Korea
- 📈DuoCards: Language Flashcards entered the top 100iOSTop Grossing · Education · SA
- 📈DuoCards: Language Flashcards charting in a new countryAndroidFrance
- 📈DuoCards: Language Flashcards entered the top 100iOSTop Grossing · Education · IT
- 📈DuoCards: Language Flashcards charting in a new countryiOSItaly
- 📈DuoCards: Language Flashcards entered the top 10iOSTop Grossing · Education · RU
- 📈DuoCards: Language Flashcards charting in a new countryiOSSaudi Arabia
- 📈DuoCards: Language Flashcards entered the top 100 in 3 chartsiOSTop Grossing · Education · AU · Top Grossing · Education · KR · Top Free · Education · RU
- 📈DuoCards: Language Flashcards charting in a new country in 2 chartsiOSAustralia · South Korea
- 📈DuoCards: Language Flashcards entered the top 100AndroidTop Grossing · Education · DE
- 📈DuoCards: Language Flashcards entered the top 100iOSTop Grossing · Education · RU
- 🆕DuoCards: Language Flashcards first spotted by AppInsiderAndroidGermany
- 🆕DuoCards: Language Flashcards first spotted by AppInsideriOS#95 in Top Grossing · Education · Germany
- 📦DuoCards: Language Flashcards version 1.20.18AndroidLearn more wherever you are with reliable offline study and syncing. Create personalized card sets with AI, get detailed pronunciation feedback, and practice with richer roleplays and comprehension exercises. We also added language-level progress, mobile deck export, and easier set search—plus many fixes and performance improvements.… more
- 📦DuoCards: Language Flashcards version 1.20.17iOSNo release notes
- 🆕DuoCards: Language Flashcards released on the App StoreiOS
- 🆕DuoCards: Language Flashcards released on Google PlayAndroid
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Education GrossingDuoCards: Language Flashcards at a glance
AI summary written from our chart and store data, 2026-09-29. It can be wrong: check the numbers above.
DuoCards is a language learning tool that converts vocabulary from user-consumed media into smart flashcards, targeting learners who want to build retention through spaced repetition and AI-driven practice. The app holds the #5 position in Russia's Education Grossing chart, indicating strong monetization performance in that market despite being free elsewhere.
Similar apps: Anki, Quizlet, Memrise
App Store
App details
App privacy Measured
DuoCards: Language Flashcards’s App Store privacy label declares 1 data category used to track you across other companies’ apps and websites, 0 linked to your identity and 4 collected anonymously.
As declared by the developer on the App Store — Apple requires every app to publish this label. We track changes over time.
Google Play
App details
DuoCards: Language Flashcards downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| App Store | 500+ | 500k+ |
| Google Play | 1k+ | 5M+ Measured |
| Total | 1k+ Confidence | 5M+ Confidence |
How this is calculated
Where DuoCards: Language Flashcards'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.
Retention · share of new users still active
Time spent · per daily user
How this is calculated
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: Ad-led
How DuoCards: Language Flashcards makes money: subscriptions, one-off purchases and ads.
Top in-app purchases · App Store US, most popular first
| 1 | DuoCards Premium subscription | |
| 2 | DuoCards Premium subscription | |
| 3 | DuoCards Premium subscription | |
| 4 | DuoCards Premium subscription | |
| 5 | DuoCards Plus subscription | |
| 6 | DuoCards Premium subscription | |
| 7 | DuoCards Premium subscription | |
| 8 | DuoCards Premium subscription | |
| 9 | DuoCards Premium subscription | |
| 10 | DuoCards Premium 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 | #69 Education Grossing | 5 of 30 countries | – | – |
| Google Play | #40 Education Grossing | 8 of 23 countries | – | – |
Full chart lists: App Store · Google Play.
Review momentum
ⓘ How we measure thisGrowing fastest in 
Russia ▲ +55% · Germany ▲ +32%
New ratings by country (5)
| Country | New ratings a week | Share | Last 2 weeks vs the 2 before |
|---|---|---|---|
| Germany | 14 | 55% | ▲ +32% |
| Russia | 6.5 | 26% | ▲ +55% |
 South Korea | 2 | 8% | ▲ ×9 |
 Italy | 1.8 | 7% | – |
 Saudi Arabia | 1.1 | 4% | – |
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.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.6 ★ | 118 |
| Google Play | 4.5 ★ | 59k 677 written reviews |
| Both stores | 4.5 ★ weighted by ratings | 59k |
What users say about DuoCards: Language Flashcards
From the 53 most recent App Store reviews in the US.
Users appreciate the core flashcard functionality and ability to create custom decks without heavy restrictions. However, significant complaints focus on aggressive monetization tactics, broken AI features, and technical bugs that hinder basic usage.
Mixed but leaning positive (64% of recent reviews give 4–5 stars). People like it for its features and content, and being easy to use. The main complaints are about price and subscriptions, and missing features or content.
What people like
- Features & content: “Great app and useful features”
- Ease of use: “Already has sets but super easy to add my own words!”
- Useful: “Great app and useful features”
- Price & subscription: “I bought the premium, i think it is worth it so far”
Common complaints
- Price & subscription: “Maybe when the price is reasonable”
- Features & content: “No lifetime option, monthly charges in perpetuity…no thanks”
- Useful: “I strongly recommend verifying the app’s safety”
- Ease of use: “Very difficult to Navigate and not user friendly at all”
About DuoCards: Language Flashcards
DuoCards turns useful words and phrases into smart flashcards, then helps you remember them through spaced repetition, speaking, listening, and AI practice.
With DuoCards, you can:
- Save words and phrases from videos, subtitles, articles, and your own notes
- Practise realistic conversations with an AI language tutor
- Improve pronunciation with speaking and listening exercises
- Review words with flashcards that adapt to your progress
- Explore ready-made courses and public decks, or create private sets
- Learn English, Spanish, French, German, Japanese, Korean, and 50+ languages
- Continue reviewing vocabulary offline
A simple learning loop:
1. Discover useful language in context
2. Save it to your personal deck
3. Review, speak, listen, and remember
Whether you are learning for travel, school, work, or everyday conversations, DuoCards helps you build vocabulary that lasts.
Download DuoCards and turn real content into your daily language habit.
Terms of use: https://www.duocards.com/termsofuse.html
Privacy policy: https://www.duocards.com/privacypolicy.html
DuoCards: Language Flashcards App Store
DuoCards: Language Flashcards gets 1k+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
DuoCards: Language Flashcards is #89 in Education Grossing in Germany and charting in 5 of 30 countries we track.
Updated 8 Nov 2026 · rankings refresh through the day
24 Sep 2026 Education GrossingDuoCards: Language Flashcards at a glance
AI summary written from our chart and store data, 2026-09-29. It can be wrong: check the numbers above.
DuoCards is a language learning tool that converts vocabulary from user-consumed media into smart flashcards, targeting learners who want to build retention through spaced repetition and AI-driven practice. The app holds the #5 position in Russia's Education Grossing chart, indicating strong monetization performance in that market despite being free elsewhere.
Similar apps: Anki, Quizlet, Memrise
DuoCards: Language Flashcards on the App Store
App details
App privacy Measured
DuoCards: Language Flashcards’s App Store privacy label declares 1 data category used to track you across other companies’ apps and websites, 0 linked to your identity and 4 collected anonymously.
As declared by the developer on the App Store — Apple requires every app to publish this label. We track changes over time.
DuoCards: Language Flashcards downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Where DuoCards: Language Flashcards'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.
Retention · share of new users still active
Time spent · per daily user
How this is calculated
In-app revenue
Worldwide, what users spend in DuoCards: Language Flashcards before Apple and Google take their fee.
How this is calculated
Business model: Ad-led
How DuoCards: Language Flashcards makes money: subscriptions, one-off purchases and ads.
Top in-app purchases · App Store US, most popular first
| 1 | DuoCards Premium subscription | |
| 2 | DuoCards Premium subscription | |
| 3 | DuoCards Premium subscription | |
| 4 | DuoCards Premium subscription | |
| 5 | DuoCards Plus subscription | |
| 6 | DuoCards Premium subscription | |
| 7 | DuoCards Premium subscription | |
| 8 | DuoCards Premium subscription | |
| 9 | DuoCards Premium subscription | |
| 10 | DuoCards Premium subscription |
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Germany | EducationGrossing | #89 |
| Germany | EducationFree | #98 |
| Italy | EducationGrossing | #73 |
| Russia | EducationGrossing | #90 |
 France | EducationFree | #134 |
| United Arab Emirates | EducationGrossing | #69 |
| Russia | EducationFree | #133 |
Apps near DuoCards: Language Flashcards on the chart
Education Grossing, around #89.
Ratings
App Store, worldwide.
Review momentum
ⓘ How we measure thisGrowing fastest in Russia ▲ +55% · Germany ▲ +32%
New ratings by country (5)
| Country | New ratings a week | Share | Last 2 weeks vs the 2 before |
|---|---|---|---|
| Germany | 14 | 55% | ▲ +32% |
| Russia | 6.5 | 26% | ▲ +55% |
| South Korea | 2 | 8% | ▲ ×9 |
| Italy | 1.8 | 7% | – |
| Saudi Arabia | 1.1 | 4% | – |
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 DuoCards: Language Flashcards
From the 53 most recent App Store reviews in the US.
Users appreciate the core flashcard functionality and ability to create custom decks without heavy restrictions. However, significant complaints focus on aggressive monetization tactics, broken AI features, and technical bugs that hinder basic usage.
Mixed but leaning positive (64% of recent reviews give 4–5 stars). People like it for its features and content, and being easy to use. The main complaints are about price and subscriptions, and missing features or content.
What people like
- Features & content: “Great app and useful features”
- Ease of use: “Already has sets but super easy to add my own words!”
- Useful: “Great app and useful features”
- Price & subscription: “I bought the premium, i think it is worth it so far”
Common complaints
- Price & subscription: “Maybe when the price is reasonable”
- Features & content: “No lifetime option, monthly charges in perpetuity…no thanks”
- Useful: “I strongly recommend verifying the app’s safety”
- Ease of use: “Very difficult to Navigate and not user friendly at all”
About DuoCards: Language Flashcards
DuoCards turns useful words and phrases into smart flashcards, then helps you remember them through spaced repetition, speaking, listening, and AI practice.
With DuoCards, you can:
- Save words and phrases from videos, subtitles, articles, and your own notes
- Practise realistic conversations with an AI language tutor
- Improve pronunciation with speaking and listening exercises
- Review words with flashcards that adapt to your progress
- Explore ready-made courses and public decks, or create private sets
- Learn English, Spanish, French, German, Japanese, Korean, and 50+ languages
- Continue reviewing vocabulary offline
A simple learning loop:
1. Discover useful language in context
2. Save it to your personal deck
3. Review, speak, listen, and remember
Whether you are learning for travel, school, work, or everyday conversations, DuoCards helps you build vocabulary that lasts.
Download DuoCards and turn real content into your daily language habit.
Terms of use: https://www.duocards.com/termsofuse.html
Privacy policy: https://www.duocards.com/privacypolicy.html
Latest updates
DuoCards - Vocabulary Builder Android
DuoCards - Vocabulary Builder gets 1k+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
DuoCards - Vocabulary Builder is #40 in Education Grossing on Google Play in Germany and charting in 8 of 23 countries we track.
Updated 8 Nov 2026 · rankings refresh through the day
Education GrossingDuoCards - Vocabulary Builder on Google Play
App details
DuoCards - Vocabulary Builder downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Where DuoCards - Vocabulary Builder'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.
Retention · share of new users still active
Time spent · per daily user
How this is calculated
In-app revenue
Worldwide, what users spend in DuoCards - Vocabulary Builder before Apple and Google take their fee.
How this is calculated
Business model: Ad-led
How DuoCards - Vocabulary Builder makes money: subscriptions, one-off purchases and ads.
Top in-app purchases · App Store US, most popular first
| 1 | DuoCards Premium subscription | |
| 2 | DuoCards Premium subscription | |
| 3 | DuoCards Premium subscription | |
| 4 | DuoCards Premium subscription | |
| 5 | DuoCards Plus subscription | |
| 6 | DuoCards Premium subscription | |
| 7 | DuoCards Premium subscription | |
| 8 | DuoCards Premium subscription | |
| 9 | DuoCards Premium subscription | |
| 10 | DuoCards Premium subscription |
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Germany | EducationGrossing | #40 |
| Germany | EducationFree | #112 |
 Turkey | EducationGrossing | #44 |
| Saudi Arabia | EducationGrossing | #70 |
| United Arab Emirates | EducationGrossing | #66 |
 Netherlands | EducationGrossing | #71 |
 Thailand | EducationGrossing | #65 |
| Russia | EducationFree | #178 |
| Netherlands | EducationFree | #89 |
 Vietnam | EducationGrossing | #70 |
Apps near DuoCards - Vocabulary Builder on the chart
Education Grossing, around #40.
Ratings
Google Play, worldwide.
Review momentum
ⓘ How we measure thisReview 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.
About DuoCards - Vocabulary Builder
DuoCards is built for learners who want more than generic language lessons. You can discover useful words in real content, save them into a personal vocabulary deck, and review them with smart language flashcards that adapt to your progress.
What you can do with DuoCards:
- Build English vocabulary with flashcards that repeat at the right time
- Learn words from videos, subtitles, articles, courses, and shared decks
- Practice conversations with an AI language tutor for daily situations
- Improve pronunciation with speaking and listening exercises
- Save phrases, example sentences, and translations in one vocabulary app
- Study Spanish, French, German, Japanese, Korean, Italian, Portuguese, Russian, and more
- Create private decks or learn from public vocabulary sets made by other learners
- Use offline learning when you want to review without a stable connection
Learn from videos and articles
Language learning works better when words appear in context. DuoCards lets you save vocabulary from videos with subtitles and from foreign language articles, so you can connect each word with a real sentence, topic, and memory. Tap a word, check the translation, save it to your deck, and review it later.
Practice with AI flashcards
DuoCards combines classic flashcards with AI practice. Review words, listen to pronunciation, speak your answers, ask for examples, and practice short conversations. Use the AI tutor to understand grammar, see words in context, and turn your saved vocabulary into useful phrases.
A vocabulary builder for many goals
Use DuoCards as an English vocabulary app, a Spanish flashcards app, a language flashcards app, or a daily vocabulary builder for school, travel, work, exams, and everyday conversations. You can learn beginner words, advanced phrases, useful verbs, pronunciation, listening, and sentence patterns.
How DuoCards works:
1. Choose the language you want to learn.
2. Find useful words in videos, articles, courses, decks, or your own notes.
3. Save words and phrases to your personal vocabulary deck.
4. Practice with flashcards, AI conversations, pronunciation, and listening.
5. Review with spaced repetition until the words become familiar.
Why learners use DuoCards:
- Real content: learn from videos, articles, and examples instead of isolated word lists
- Smart review: spaced repetition helps you remember vocabulary for longer
- AI practice: turn saved words into conversations, stories, and grammar examples
- Flexible decks: create your own word lists or study public language sets
- Many languages: learn English and 50+ languages from one app
- Clear progress: see which words are new, known, or ready to review
- Offline revi