DuoCards: Language Flashcards
Vocabulary Builder with AI
Free · In-App Purchases · Designed for iPad
Build vocabulary from videos and articles, practise with AI, and remember new words with smart flashcards.
Build vocabulary from the videos, articles, and language content you already enjoy.
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
more AI Roleplay - Practise real-world conversations in simulated scenarios
AI Stories - Interactive stories with comprehension exercises
Bookmarks - Save your current progress in an article for later
Transliteration - Read Chinese, Arabic, and Japanese scripts easily
Auto Dark Mode - Study comfortably day or night
Smarter Translations - Context-aware translations
AI Grammar Feedback - Accurate corrections with explanations
1.20.17 29 Aug
AI Roleplay - Practice real-world conversations in simulated scenarios
AI Stories - Interactive stories with comprehension exercises
Bookmarks - Save your current progress in an article for later
Transliteration - Read Chinese, Arabic, Japanese scripts easily
Auto Dark Mode - Study comfortably day or night
Smarter Translations - Context-aware translations
AI Grammar Feedback - Accurate corrections with explanations
1.20.16 23 Jan
Smarter learning algorithm that helps you learn more effectively.
Enhanced AI that provides better grammar explanations, personalized stories, and more accurately responds.
New study sets with new vocabulary focused on learning popular topics.
Optimized notifications system to help maintain your daily streak.
Performance upgrades and bug fixes for smoother studying.
1.20.15 04/11/2025
Smarter learning algorithm that helps you learn more effectively.
Enhanced AI that provides better grammar explanations, personalized stories, and more accurately responds.
New study sets with new vocabulary focused on learning popular topics.
Optimized notifications system to help maintain your daily streak.
Performance upgrades and bug fixes for smoother studying.
1.20.10 01/10/2025
Smarter learning algorithm that helps you learn more effectively.
Enhanced AI that provides better grammar explanations, personalized stories, and more accurately responds.
New study sets with new vocabulary focused on learning popular topics.
Optimized notifications system to help maintain your daily streak.
Performance upgrades and bug fixes for smoother studying.
1.20.9 18/09/2025
Smarter learning algorithm that helps you learn more effectively.
Enhanced AI that provides better grammar explanations, personalized stories, and more accurately responds.
New study sets with new vocabulary focused on learning popular topics.
Optimized notifications system to help maintain your daily streak.
Performance upgrades and bug fixes for smoother studying.
1.20.8 01/08/2025
Smarter learning algorithm that helps you learn more effectively.
Enhanced AI that provides better grammar explanations, personalized stories, and more accurately responds.
New study sets with new vocabulary focused on learning popular topics.
Optimized notifications system to help maintain your daily streak.
Performance upgrades and bug fixes for smoother studying.
1.20.7 09/07/2025
Smarter learning algorithm that helps you learn more effectively.
Enhanced AI that provides better grammar explanations, personalized stories, and more accurately responds.
New study sets with new vocabulary focused on learning popular topics.
Optimized notifications system to help maintain your daily streak.
Performance upgrades and bug fixes for smoother studying.
1.20.6 13/06/2025
Smarter learning algorithm that helps you learn more effectively.
Enhanced AI that provides better grammar explanations, personalized stories, and more accurately responds.
New study sets with new vocabulary focused on learning popular topics.
Optimized notifications system to help maintain your daily streak.
Performance upgrades and bug fixes for smoother studying.
1.20.3 30/04/2025
Smarter learning algorithm that helps you learn more effectively.
Enhanced AI that provides better grammar explanations, personalized stories, and more accurately responds.
New study sets with new vocabulary focused on learning popular topics.
Optimized notifications system to help maintain your daily streak.
Performance upgrades and bug fixes for smoother studying.
1.20.2 26/04/2025
Smarter learning algorithm that helps you learn more effectively.
Enhanced AI that provides better grammar explanations, personalized stories, and more accurately responds.
New study sets with new vocabulary focused on learning popular topics.
Optimized notifications system to help maintain your daily streak.
Performance upgrades and bug fixes for smoother studying.
1.20.1 17/04/2025
Smarter learning algorithm that helps you learn more effectively.
Enhanced AI that provides better grammar explanations, personalized stories, and more accurately responds.
New study sets with new vocabulary focused on learning popular topics.
Optimized notifications system to help maintain your daily streak.
Performance upgrades and bug fixes for smoother studying.
1.19.19 10/04/2025
Smarter learning algorithm that helps you learn more effectively.
Enhanced AI that provides better grammar explanations, personalized stories, and more accurately responds.
New study sets with new vocabulary focused on learning popular topics.
Optimized notifications system to help maintain your daily streak.
Performance upgrades and bug fixes for smoother studying.
1.19.18 05/03/2025
Example of usages for words in most of the languages thanks to AI
New language courses for English, Italian, Spanish and other languages
New feature for selecting sentences
Fixes AI-assistant and improved prompting
Improve onboarding process
1.19.17 11/10/2024
Example of usages for words in most of the languages thanks to AI
New language courses for English, Italian, Spanish and other languages
New feature for selecting sentences
Fixes AI-assistant and improved prompting
Improve onboarding process
1.19.16 23/09/2024
Example of usages for words in most of the languages thanks to AI
New language courses for English, Italian, Spanish and other languages
New feature for selecting sentences
Fixes AI-assistant and improved prompting
Improve onboarding process
1.19.13 10/06/2024
Bug fixes
Onboarding improvements
1.19.11 29/04/2024
Example of usages for words in most of the languages thanks to AI
New language courses for English, Italian, Spanish and other languages
New feature for selecting sentences
Fixes AI-assistant and improved prompting
Improve onboarding process
1.19.10 31/03/2024
Example of usages for words in most of the languages thanks to AI
New language courses for English, Italian, Spanish and other languages
New feature for selecting sentences
Fixes AI-assistant and improved prompting
Improve onboarding process
1.19.5 20/03/2024
Introduction of freezes for daily series to prevent accidental gaps in your daily series
Major update to language courses - more flashcards and more engaging phrases
Improved AI grammar generation for all commonly used vocabulary
Introduced monthly subscriptions
Improve your foreign languages with updated flashcard sets, developed by language specialists.
1.19.4 20/12/2023
Introduction of freezes for daily series to prevent accidental gaps in your daily series
Major update to language courses - more flashcards and more engaging phrases
Improved AI grammar generation for all commonly used vocabulary
Introduced monthly subscriptions
Improve your foreign languages with updated flashcard sets, developed by language specialists.
1.19.3 21/11/2023
Introduction of freezes for daily series to prevent accidental gaps in your daily series
Major update to language courses - more flashcards and more engaging phrases
Improved AI grammar generation for all commonly used vocabulary
Introduced monthly subscriptions
Improve your foreign languages with updated flashcard sets, developed by language specialists.
1.19.1 28/10/2023
Introduction of freezes for daily series to prevent accidental gaps in your daily series
Major update to language courses - more flashcards and more engaging phrases
Improved AI grammar generation for all commonly used vocabulary
Improved review process for public flashcard sets
Introduced monthly subscriptions
Our algorithm has been upgraded to offer tailored flashcard deck recommendations, this enhances quicker proficiency in new languages.
Improve your foreign languages with updated flashcard sets, developed by language specialists.
1.19 03/10/2023
Improved language flashcards experience by optimizing animations.
New language courses in English, German, Spanish, French, Korean and more…
Enhanced grammar explanations for your better understanding of frequently used words and phrases.
Improved review process of public flashcard sets.
Library sorting by your language level.
Updated Login flow with Google, Apple or in case of wrong credentials.
1.18.1 27/04/2023
Improved language flashcards experience by optimizing animations.
New language courses in English, German, Spanish, French, Korean and more…
Enhanced grammar explanations for your better understanding of frequently used words and phrases.
Improved review process of public flashcard sets.
Library sorting by your language level.
Updated Login flow with Google, Apple or in case of wrong credentials.
1.18 25/04/2023
AI Roleplay - Practise real-world conversations in simulated scenarios
AI Stories - Interactive stories with comprehension exercises
Bookmarks - Save your current progress in an article for later
Transliteration - Read Chinese, Arabic, and Japanese scripts easily
Auto Dark Mode - Study comfortably day or night
Smarter Translations - Context-aware translations
AI Grammar Feedback - Accurate corrections with explanations
more Version 1.20.17 29 Aug
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