Optimem: Smart Flashcards
The Science of Learning Fast
Free · Designed for iPad
Optimem helps you study & memorize any topic as fast as possible
- Start learning in seconds. Choose from a wide variety of topics across Spanish, Music, Programming, and more.
- Learn in 1-2 minute bite-sized sessions, like while waiting in line or on a bus. Quickly learn and practice on a fast path to mastery.
- Experience simple, delightful design combined with cutting-edge scientific techniques. Together, learning can be more efficient and more enjoyable.
Features
- Freely and instantly download learning materials in the app from a wide variety of subjects
- Seamless feed of questions to make learning fast and easy
- Spaced repetition system (also known as SRS or Leitner system) which lets you spend less time learning
- Sound and haptics feedback (short vibrations) to reinforce correct and incorrect answers
- Confetti blasts on correct answer streaks for more delight
- Support for images, audio, text, emojis and markdown formatting for flash cards
- Support for text-to-speech for pronunciation and listening practice
- Stats about your learning progress and rate
- List and explore all cards in a topic
- Customize new and review questions per day
- Dark mode
- Simple and distraction-free interface
- Experimental and controversial Instant Brain Upload mode*
- Connect and transfer content between your phone and another computer
- Open source learning materials
- Create, edit, remix, and share any learning materials
Languages:
- Spanish
- French
- Japanese – Hiragana & Katakana
- Hindi – Devanagari alphabet
- Russian – Cyrillic alphabet
- Korean – Hangul alphabet
- Mandarin Chinese
- Norwegian
- International morse code
- Braille
- American sign language
- Toki Pona – a language with only ~120 words, designed to be simple and positive
Other topics:
- Piano keys
- Music theory – music intervals & modes
- Rust programming language
- How to count in binary
- … and growing! Learning materials can be created, edited, and shared by anyone.
Brought to you by Organic Software.
Privacy Policy:
- https://optimem.org/privacy
Have feedback or questions?
- Contact us via https://optimem.org/discord or tweet us @OptimemApp
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
· Upgraded look and feel: Boosted app visuals with new cover art, better pack library, and better audio / haptic effects.
· New learning queue: Once you're finished with flashcards for one topic, you'll automatically jump to the next flashcard set that's ready.
· Improved Anki support: Supports LaTeX equations and Anki imports better natively.
· And much more!
The developer, Organic Software LLC, 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 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
- Provider
- Organic Software LLC
- Size
- 54.1 MB
- Category
- Education
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
- English
- Age Rating
4+
- 4+
- Contains
User-Generated Content
- Copyright
- © 2026 Organic Software LLC