Comparison

DuoCards vs Brainy

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DuoCards

Master a new language with interactive flashcards and video courses. This app helps you build vocabulary, guess words, and track your progress across over 50 languages. Learn effectively through spaced repetition and integrated translation tools.

Highlights
  • Flashcard learning with spaced repetition
  • Video language courses with interactive subtitles
  • Integrated translator for over 50 languages
  • Vocabulary builder and progress tracker
  • Guess words and phrases to sharpen skills
  • Read foreign language articles
Features
Read full description

Build vocabulary from the real content you already enjoy. DuoCards helps you save new words from videos, articles, shared decks, and your own notes, then remember them with smart flashcards and spaced repetition. Why learners choose DuoCards: - Save words and phrases from videos, subtitles, and articles - Practice with an AI tutor for real-life conversations - Improve pronunciation with instant feedback - Review vocabulary with flashcards that adapt to your progress - Learn English, Spanish, French, German, Japanese, Korean, and 50+ languages - Use ready-made courses, public decks, or your own personal word lists Learn in a simple loop: 1. Discover useful words in context 2. Save them to your personal deck 3. Review, speak, listen, and remember Whether you are learning for travel, school, work, or everyday conversations, DuoCards gives you a flexible way to build vocabulary and keep it in memory. Download DuoCards and start building your language habit today. Terms of use: https://www.duocards.com/termsofuse.html Privacy policy: https://www.duocards.com/privacypolicy.html

About

Brainy

Learn up to 100 new English words daily using visual associations and spaced repetition. This app transforms memorization into an engaging process with ready-made mnemonics and personalized vocabulary building.

Highlights
  • Visual association learning
  • 4000+ ready-made mnemonic cards
  • Spaced repetition system
  • Frequency-based word lists
  • Thematic and custom dictionaries
  • Gamified learning with a mascot
Features
Read full description

Учи до 100 новых английских слов в день без зубрёжки. Brainy помогает запоминать английские слова с помощью ярких визуальных ассоциаций. Вместо того чтобы повторять перевод снова и снова, ты связываешь новое слово с запоминающимся образом — и вспоминаешь его через ассоциацию. КАК ЭТО РАБОТАЕТ Каждое английское слово превращается в визуальную ассоциацию, которая помогает связать его звучание и значение. Ты видишь готовую карточку, запоминаешь образ и закрепляешь слово в тренировках. В Brainy уже готовы 4000 карточек с визуальными ассоциациями — не нужно придумывать их самостоятельно. ЧТО ЕСТЬ В BRAINY • 4000 готовых карточек с визуальными ассоциациями • Интересные тренировки для запоминания слов • Интервальные повторения, чтобы не забывать изученное • Самые частотные английские слова • Словари по уровням английского • Тематические словари • Собственный словарь — добавляй слова, которые нужны именно тебе • Brainy — персонаж, который сопровождает тебя в обучении и помогает сохранять мотивацию НЕ ЗУБРИ — ЗАПОМИНАЙ Обычная зубрёжка строится на многократном повторении: слово — перевод, слово — перевод. Brainy использует другой подход. Яркий образ создаёт дополнительную связь с новым словом и помогает легче вспомнить его, когда оно понадобится. УЧИ ТО, ЧТО НУЖНО ИМЕННО ТЕБЕ Начни с самых частотных слов, выбери лексику своего уровня или изучай английский по интересующим тебя темам. А если нужного слова нет в готовых словарях — добавь его в свой. НЕ ДАЙ СЛОВАМ ЗАБЫТЬСЯ Brainy использует интервальные повторения и возвращает изученные слова в подходящий момент, помогая закреплять их в памяти. Преврати изучение английских слов из зубрёжки в понятный и увлекательный процесс. Скачай Brainy и попробуй запоминать английские слова по-новому. Условия использования (Лицензионное соглашение): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

DuoCards4 screens
Brainy4 screens

Verdict

The call

The clearest difference is review sentiment: Brainy at 100% against DuoCards's 63%. Brainy also leads on rating (5.0 vs 4.7) and update cadence (fortnightly vs monthly). DuoCards's advantage is ratings volume (1.5K vs 3) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. DuoCards sells 9 in-app purchases, starting at $19.99 per month and Brainy sells 10 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Brainy holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: DuoCards has 1.5K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 63% of DuoCards's written reviews are positive against 100% of Brainy's.

UpkeepUpdate frequency

DuoCards ships an update monthly, Brainy fortnightly. Both last shipped on November 13, 2026.

Scorecard6 real differences · 4 level
DuoCards versus Brainy: the parameters behind the verdict, then further details
ParameterDuoCardsBrainy
PriceFreeFree
Rating4.7 (1.5K ratings)5.0 (3 ratings) — better
Positive reviews63.1% of reviews100.0% of reviews — better
Number of ratings1.5K — better3
Update frequencyMonthlyFortnightly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.4
Further details — not scored
Size19 MB75 MB
Age rating4+9+
DeveloperDuoCards s.r.oSeven Services Limited Liability Company

Customer experience

DuoCards

All ratings1,340 ratings
Positive93.4%
Neutral2.5%
Negative4.2%
Written reviews594 reviews
Positive63.1%
Neutral10.4%
Negative26.4%

Brainy

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

DuoCards

Reported bugs

4 issues
  • App freezes and crashes
  • Issues with logging in and accessing content
  • Inconsistent behavior when adding new words
  • Problems with video playback and subtitles

Requested features

4 requests
  • Offline mode
  • More customization options
  • Improved spaced repetition system
  • Better integration with other language learning tools

Brainy

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

DuoCards

Subscriptions9
  • DuoCards Premium2 variants$19.991 Month
  • DuoCards Plus$33.003 Months
  • DuoCards Premium$34.993 Months
Show 6 more
  • DuoCards Premium7 Days trial$64.901 Year
  • DuoCards Premium7 Days trial$67.991 Year
  • DuoCards Premium1 Year trial$107.991 Year
  • DuoCards Premium7 Days trial$109.001 Year
  • DuoCards Premium7 Days trial$113.991 Year
  • DuoCards Premium1 Year trial$162.991 Year
10 purchases

Brainy

Subscriptions10
  • Брейни максимальный3 Days trial$8.991 Month
  • Брейни максимальный7 Days trial$8.991 Month
  • Брейни максимальный3 Days trial$9.991 Month
Show 7 more
  • Брейни максимальный7 Days trial$12.991 Month
  • Брейни максимальный3 Days trial$22.993 Months
  • Brainy - доступ к приложению3 Days trial$29.993 Months
  • Брейни максимальный7 Days trial$29.993 Months
  • Брейни максимальный3 Days trial$79.991 Year
  • Brainy - доступ к приложению3 Days trial$99.991 Year
  • Брейни максимальный7 Days trial$99.991 Year

Questions

Is DuoCards free?
DuoCards is free to download, with in-app purchases available.
Is Brainy free?
Brainy is free to download, with in-app purchases available.
Which has better reviews, DuoCards or Brainy?
Brainy is rated higher. DuoCards averages 4.7 out of 5 from 1.5K ratings, while Brainy averages 5.0 from 3 ratings.
Do DuoCards or Brainy have ads?
Both DuoCards and Brainy show ads.
Which is updated more often, DuoCards or Brainy?
DuoCards ships an update monthly, and Brainy fortnightly. Most recently, DuoCards was updated on November 13, 2026 and Brainy on November 13, 2026.

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