DuoCards: Vocabulary Builder1.20.17 - App Store

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

Version History 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 1.20.17 Aug 29 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 Jan 23 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 11/04/2025 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. 1.20.10 10/01/2025 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 09/18/2025 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 08/01/2025 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 07/09/2025 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. 1.20.6 06/13/2025 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 04/30/2025 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 04/26/2025 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 04/17/2025 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 04/10/2025 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. 1.19.18 03/05/2025 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 10/11/2024 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 09/23/2024 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 06/10/2024 Bug fixes
Onboarding improvements 1.19.11 04/29/2024 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 03/31/2024 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 03/20/2024 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 12/20/2023 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 11/21/2023 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 10/28/2023 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 10/03/2023 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 04/27/2023 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 04/25/2023