Build vocabulary from videos, articles, flashcards, and AI practice in one language learning app.
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
Resolved:I love this app but an important feature is broken
Alphabs
Edit: Issue was quickly resolved! 5 stars nowOn the whole this app is wonderful. It has many fantastic features and I always end up saving every word or phrase I learn on other apps onto this app because I like how Duocards does what it does so much. It’s really fantastic. Probably about 60% of the time I spend language learning is on this app and I have a ton of different methods so this app really dominates all the others. However an important feature for me is being able to sort the cards into different groups and that feature has just stopped working. The main way I learn is that I save nearly every new phrase or word I hear but I put the most important ones into a smaller deck and as I work through them then I add cards from my larger deck into my smaller deck. That way I can add as many cards as I want without worrying that I will have way too much to learn and have to wait weeks between seeing the card I just practiced again. But just today that feature has broken and pressing the button to add to custom decks is just plain does nothing. If they fix it then I will put my review up to five stars where it really belongs.
Developer Response
Thank you for the positive feedback! 💙 We're happy to hear that DuoCards helps you achieve your language goals. Keep up the good work! 💪 Michaela from DuoCards
Best flashcard app I have ever used
Millie Lovers
I’ve tried AnkiPro, Quizlet, online resources, and many many more flashcard apps and websites. Every single one of them has their respective flaws, from high prices to TERRIBLE AI voices to cold and impersonal designs. DuoCards is the one platform that has it all. A design with interactive features (like taking care of a pet) that are optional and inconsequential, which is a nice touch. Everything is interest driven and self supported, which is ideal for those of us that are tired of a specific cartoon owl. The design is super intuitive and helpful, and it’s really easy to use. Also, the feature where you can highlight any word anywhere and import it into the app is a CRAZY feature that expands learning so much. The pricing is pretty high and as of right now I do not use premium because I can’t pay that much at the moment. That being said, the limited version is SUPER GREAT as well!!! Compared to the PRO VERSIONS of other platforms, the LIMITED VERSION of this app is miles better.
Developer Response
Hello Millie, wow, thank you so much for your wondeful review.🙌Your kind words mean a lot to the whole team.🦣 Good luck on your language journey! Michaela from DuoCards
I am not sure what happened…
halvaa
When all my words disappeared. The app asked me to log in. When I logged in, all my information returned. What a relief! I was sooo happy. I really love using this app as I believe this app is like no other. It lets you add the phrases that you want to learn. It lets you practice till you get it right. I can’t recommend this app enough. I recommend this app to everyone I meet as it has improved my vocabulary tremendously . It also gives you examples how the word is used in different sentences, which is great! I would like to thank the app creators for making such an amazing app.
Developer Response
Hello, thank you so much for your kind feedback!🫶We're happy to hear that you're loving DuoCards and that the issue was quickly resolved.✨Michaela from DuoCards
Please let us change review frequency! Otherwise amazing app
Lzt3
TLDR: Incredible app! Repetition intervals are pretty absurd (2 days -> 2 weeks -> 2 months). App does crash, but it’s not a big deal just don’t click on the fire in the mammoth’s habitat.This app is soooo amazing! It’s got great built in abilities to review and find content in common and obscure languages alike! It really fills a gap that no other app or software I’ve found has filled when it comes to getting exposure to media in your language of choice.When it comes to learning languages this app kicks Anki’s booty, but I have to take away one star because it lacks the ability to change the intervals between seeing cards again. Be warned when you review a card after the 2 day interval it jumps straight to 2 weeks and then 2 months which in my opinion is a big oof… especially if you are learning a language with some wacky spelling like English or Norwegian.Also, the app does consistently break if you open the little rewards screen that shows what the next reward is for being active on the app. (You probably won’t ever even find this screen if you aren’t looking for it though, so it’s not a big deal) All you have to do is close and reopen the app which takes 2 seconds and really isn’t as big of a deal.
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
Version 1.20.17
The developer, DuoCards s.r.o, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Contact Info
Identifiers
Usage Data
Diagnostics
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
Seller
DuoCards s.r.o
Size
20.4 MB
Category
Education
Compatibility
Requires iOS 13.0 or later.
iPhone Requires iOS 13.0 or later.
iPad Requires iPadOS 13.0 or later.
iPod touch Requires iOS 13.0 or later.
Mac Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
