📈Last 7 days+79 installs — 10% faster than the week before (+72) · 9/day since Oct 7
🏆Among Education appstop 4% by installs gained this week (928 peers growing)
⭐Rating steady at ★ 4.00 since Oct 7
🛠Updatesactively updated · updated yesterday · every ~13 days (3 updates tracked)
Installs since launch
+339 installs
· +5 ratings
since Oct 7
Update history
7.12.5Nov 14, 2026
- Added an option to learn at your own pace without setting a streak goal.<br>- Zena’s comments on Home now change before and after you study.<br>- Added a notice about AI corrections on the Eiken scoring results and AI question screens.<br>
7.11.24Nov 3, 2026
- You can now share diary entries to X or other apps, with an optional link.<br>- Removed banner ads from learning screens.<br>- Fixed calendars using an outdated month after a month change.<br>
7.11.20Oct 20, 2026 · seen Oct 24, 2026
- Added 12 AI Chat lessons across three levels, with roleplays and topic conversations.<br>- Improved chat corrections, reviews, and navigation through chat history.<br>- Unified language selection and reading voices by language, and improved English AI Chat speech.<br>- Fixed diary correction panels and editing behavior on the web.<br>
Language Diary: LangJournal is an education app by Daiki Sato with 5,000+ downloads (about 9.3K estimated). +79 installs in the last 7 days. Rated 4.0 from 102 ratings. Released May 8, 2023. Install growth, rank history, SDKs and ad networks.
From the store listing: “Write a language journal and get instant AI corrections in 13 languages”