Open SourceLearning
Get smarter — 60+ apps, all free and open source.
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In testing
Adapt It Mobile
Help translate between languages that are close cousins
Algo Phantoms
Practice coding problems and learn data structures on your phone
words.hk
Look up Cantonese words and their meanings
AnkiDroid
Remember anything with smart flashcards
jidoujisho
Learn a language by tapping words in video, books and manga
MathMind
Practice math with a fun, AI-powered quiz game
Glyphify
Turn your handwritten notes into typed text
BOINC
Lend your phone's spare power to science
Schulrechner
The school calculator, on your phone
Celestia
Fly around the real universe
Engrisk
Learn English with lessons, flashcards, and progress tracking
QuizFlow
Build word lists and study them as fun flashcard games
Driftly
Keep an eye on your class attendance
PSLab
A pocket science lab on your phone
ChemSearch
Look up chemical compounds and their safety information
Binaural Beats
Tone sessions for sleep, focus and relaxation
Hoshi Reader
Read Japanese books and look up any word instantly
iNaturalist
Find out what plant or animal you just saw
Atomic - Periodic Table
The periodic table, offline and in detail
Reykunyutsyip
Look up words in Na'vi, the language from Avatar
Flashcards
Study smarter with AI-assisted flashcards that stick
Kiwix
Wikipedia in your pocket, no internet needed
Myanmar Dictionary
Look up Myanmar words and their meanings
Spell4Wiki
Record your voice to help build free, open dictionaries