📈Last 7 days+5.7K installs — 637% faster than the week before (+769) · 176/day since Sep 30
🛠Updatesactively updated · updated 11 days ago · every ~11 days (4 updates tracked)
🔁Ownership moved between accounts of the same company, from toraiz to TORAIZ · Nov 7, 2026
Installs since launch
+6,696 installs
since Sep 30
Update history
2.1.3Nov 3, 2026 · seen Nov 7, 2026
What's new<br>- Word lists: switch a list between public and private with one tap, right under its title.<br><br>Updating from an older version? Please log in once more with the same account as before (Google or email). Your learning history, word lists and purchases are saved to your account.
1.0.10Oct 21, 2026 · seen Oct 29, 2026
• New look: the app icon and launch screen are now green with a white udoon logo.<br>• Smoother first launch right after you install the app.<br>• You can now rate udoon on Google Play without leaving the app. We may ask you after you finish studying.<br>• Bug fixes and stability improvements.
1.0.8Oct 16, 2026 · seen Oct 19, 2026
• The app now opens faster the first time you launch it, and shows the udoon screen right away instead of looking frozen.<br>• If you installed the app from a friend's invite link, the invite is now applied from your very first launch.
1.0.4Sep 29, 2026
New icon.<br>udoon has a new logo, and the app icon now matches it. Nothing else has changed — your account, purchases and study history stay exactly as they are.
udoon - JLPT Japanese is an education app by TORAIZ with 10,000+ downloads (about 39K estimated). +5.7K installs in the last 7 days. Released Apr 20, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Master Japanese. Pass JLPT.
The complete Japanese learning platform, built by language experts in Tokyo. Whether you're starting with N5 or pushing for N1, udoon gives you everything you need in one place.
START FREE, NO CARD
A new step opens on every day you study — the whole N5 to N1 course opens over a year.…”
