Useful apps, made with care.
Learning tools, games, and focused utilities for iPhone, iPad, and Mac.
Browse apps
Offgrid Gallery
A private, on-device photo library
Vocabulary Book
English vocabulary for Japanese entrance exams
English Vocabulary Book
Offline vocabulary study for Chinese exams
JLPT Book
Vocabulary, kanji, and grammar from N5 to N1
Poképani
A customizable TCG playmat and match toolkit
DoublesLab
Damage ranges, KO odds, and matchup planning
Arithzo
Fast, game-like mental math practice
Acidic Slime
A focused Xcode storage cleaner for Mac