AtCoder
Education & Learning
A competitive programming site that holds regular contests of several kinds such as ABC, ARC and AGC, with rankings and practice contests.
Japanese UI
Education & Learning: apps that support Japanese
8 apps
8 apps that APP NAVI confirmed from official sources to support Japanese. Last checked: 2026-11-05. Anything we could not confirm stays "Unverified"; we never guess. Prices and specs change, so check each app's official page before you use it.
Education & Learning — see all apps →
Smalruby
Education & Learning
A programming learning environment, modelled on Scratch, where children build programs and robots with Ruby. It is developed by the NPO Ruby Programming Shounendan.
Japanese UI
Tatoeba
Education & Learning
A collaborative multilingual sentence collection with translations, useful for finding example sentences when learning languages; it has a Japanese interface.
Free planJapanese UI
Tux Paint
Education & Learning
A free drawing program for children aged 3 to 12. The official site states it has no ads, is open source under the GPL and is built by a worldwide volunteer team.
Free planJapanese UIIndie
ドットインストール (dotinstall)
Education & Learning
A programming learning service built on videos of three minutes or less. Its top page lists 578 lessons and 8,635 videos, and it is run by dotinstall Inc. in Meguro, Tokyo.
Free planJapanese UI
ドリトル (Dolittle)
Education & Learning
A programming language designed for education. The official site says it is used in textbooks and supplementary materials for junior and senior high schools and in classes from elementary school to university.
Japanese UI
なでしこ3 (Nadesiko3)
Education & Learning
An open-source programming language in which programs are written in Japanese, aimed at automation and learning to program. A web version and a PC (Go) version are available.
Free planJapanese UI
ビスケット (Viscuit)
Education & Learning
A visual programming language for kids built around a single concept, the glasses, to make pictures move and react.
Japanese UI