Retain Cards: AI Flashcards
Cut your study time in half
Free · In-App Purchases
Cut your study time in half with AI-generated flashcards, summaries and mock exams from PDFs, videos & images – faster learning with personalized learning plans.
Welcome to Retain – the AI-powered flashcard app that turns your personal learning materials into effective study tools. Whether you're in school, university, or pursuing self-learning, Retain helps you study faster, retain more, and stay on track.
How it works:
1. Upload your study material (PDF/image/video)
2. Verify the AI-generated flashcards
3. Select desired grade and exam date
4. Follow your personalized learning plan
What you can do with Retain:
→ Automatically generate flashcards from PDFs, slides, and handwritten notes.
→ Convert YouTube videos and online lectures into flashcards.
→ Set your exam date and goal and receive a personalized flashcard learning plan.
→ Track your daily study goals and visualize your progress.
→ Import Anki decks and sync learning progress across devices.
→ Use spaced repetition and active recall to improve long-term memory.
→ Share flashcard decks with friends or study groups.
Retain is based on the latest findings in learning science and artificial intelligence, using proven methods like spaced repetition and active recall. This gives you a focused, efficient learning experience tailored to your progress.
For anyone who wants to cut their study time in half:
Whether you're preparing for your next exam or learning a new topic – Retain helps you make the most of your study time. Just follow the daily assigned flashcard reviews to achieve your desired grade on exam day.
Terms of Service: https://app.retain.cards/terms
Privacy Policy: https://app.retain.cards/privacy
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
Added AI-generated summaries.
The developer, Retain Labs GmbH, 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:
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Retain Labs GmbH
- Size
- 10 MB
- Category
- Education
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later.
- iPhone
- Languages
English and 10 more
- English, Danish, Dutch, Finnish, French, German, Italian, Norwegian Bokmål, Portuguese, Spanish, Swedish
- Age Rating
4+
- 4+
- Contains
Advertising
Messaging and Chat
User-Generated Content
- In-App Purchases
Yes
- Retain Ultra (yearly) USD 83.90
- Retain Ultra (yearly) USD 71.90
- Retain Ultra (yearly) USD 59.90
- Retain Ultra (yearly) USD 47.90
- Retain Ultra (yearly) USD 83.90
- Retain Ultra (monthly) USD 19.99
- Retain Ultra (yearly) USD 71.90
- Retain Pro (monthly) USD 999.99
- Retain Pro (yearly) USD 999.99
- Retain Ultra (monthly) USD 12.99
- Copyright
- © 2025 Retain Labs GmbH