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

What do you want to learn?

PhilosophyPhysicsC++BiologyIs the Earth Flat?Morse CodeHow to Open a DoorHow to Open a WebsiteThe Meaning of LifePsychologyMeditationYogaHow to Tie KnotsCommon ConversionsDance
JapaneseHindiHow to Pick Up A Blue Chair Off the GroundMathHow to Tie A TieRust (programming language)How to Count to 10How to Make a SandwichEnglishWhy You Are On This WebsiteTypes of MushroomsPythonChemistryGuitarArt
General & Special RelativityGermanMusicAmerican Sign LanguageHow to Learn FasterHow to Remember ThingsCookingQuantum MechanicsHow to Open a CanTypeScriptPianoHow to Crush A Can With Slats of WoodSpanishRussianSay Hello in 20 Languages
GeographyAssorted Concepts & IdeasHistoryAre We Human or Are We Dancer?EconomicsKoreanDog BreedsIs the Moon Made of Cheese?How to Tie A ShoeLatinJavaScriptSociologyFrenchWhy is the Sky Blue?Computer Science
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