Learn anything faster 

Meet Optimem. An enjoyable & distraction-free learning app. Learn 3x faster using its spaced learning technique.

Replaces flash cards and other learning apps. Free to use, zero ads, open source learning materials.


Open App
Join Community for Packs & Updates
Join Discord
"Honestly, this app is the fastest way I've learned any sort of vocab" [ ▶ 3:05 ]Oats Jenkins, YouTuber
"S-tier flashcards. Stunningly simple and pleasant UI, amazing learning capabilities."Google Play Reviewer
"This app just replaced all of my other learning apps"Google Play Reviewer
a screenshot of the Optimem app
a play button

A magic learning tool in your pocket.

Optimem is a mobile app that helps you study & memorize topics faster by using spaced learning flash cards.

With its automatic teaching, you'll find Optimem to be a more efficient, natural, & pleasant way to learn.

Get Accessa right-facing arrow

Create, remix, and share flash cards.

with the Optimem Editor.

Edit card text with Markdown. Attach images, sounds, and configure text-to-speech. Then, seamlessly transfer to your phone.

You can also import cards from Anki, which opens up some of the best learning materials on the internet.

a screenshot of the Optimem editor
OPEN EDITOR

What do you want to learn?

How to Tie KnotsSpanishChemistrySociologyHow to Tie A TieHow to Remember ThingsPianoPhysicsHow to Make a SandwichQuantum MechanicsMathCommon ConversionsHistoryIs the Earth Flat?Is the Moon Made of Cheese?
KoreanEnglishGuitarPythonGermanAssorted Concepts & IdeasComputer ScienceJapanesePhilosophyDanceAmerican Sign LanguageHow to Open a CanCookingHindiGeneral & Special Relativity
C++Are We Human or Are We Dancer?Why is the Sky Blue?How to Crush A Can With Slats of WoodHow to Open a DoorPsychologyMusicHow to Open a WebsiteRussianHow to Count to 10Dog BreedsTypes of MushroomsThe Meaning of LifeRust (programming language)How to Pick Up A Blue Chair Off the Ground
LatinSay Hello in 20 LanguagesMorse CodeBiologyHow to Tie A ShoeYogaJavaScriptHow to Learn FasterGeographyEconomicsFrenchArtTypeScriptWhy You Are On This WebsiteMeditation
Browse All Content
a book icon
Learn anything

The Optimem app lets you study or supplement learning for just about anything:

Languages, college courses, musical instruments, and even life skills.

a lightning icon
Light speed

By using a scientific technique that Big School doesn’t want you to know about, called spaced learning:

Optimem minimizes the time it takes you to learn new concepts.

a heart icon
All yours

Optimem is customizable and free-to-use for all core features.

Many learning materials are published with permissive, open-source licenses. That means you can use and share them freely, forever.

a CPU icon
Powered by AI

Optimem uses artificial intelligence to generate flash cards and further improve your learning speed.

the Optimem logo, a cartoon brain with a progress bar overlaid

increase your brain's download speed

Open App
Join Learning Community
Join Discord