CmdDeck
Mobile Apps
A command reference app for IT work on iOS, iPadOS and macOS. It lists 1,510 commands and 120 troubleshooting flows, works fully offline, supports 9 UI languages and is a one-time purchase.
Japanese UIIndie
Mobile Apps: apps that support Japanese
4 apps
4 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.
Leasy
Mobile Apps
A simple flashcard-style memorization app where you add your own words or phrases. It offers multiple-choice and typed questions, review of missed items and a random test, with data kept on the device.
Free planJapanese UI
Organic Maps
Mobile Apps
An offline maps and navigation app built on OpenStreetMap data. The official site says it has no ads or tracking and is free.
Free planJapanese UI
Subway Tooter
Mobile Apps
A Mastodon client for Android phones and tablets. It features simultaneous multiple accounts, rearrangeable multi-column views and extensive filters.
Japanese UI