📈Last 7 days+4 installs — 100% faster than the week before (+2) · 0/day since Oct 9
🏆Among Productivity appstop 50% by installs gained this week (579 peers growing)
🛠Updatesactively updated · updated 15 days ago · every ~24 days (2 updates tracked)
🔁Ownership moved between accounts of the same company, from CHEN YANGLI to Freetokyo Labs · Nov 6, 2026
Installs since launch
+6 installs
since Oct 9
Update history
1.3Oct 26, 2026 · seen Nov 5, 2026
- Attendance now has a Make-up option. Attendance rate counts attended and make-up lessons together.<br>- Students on pause now default to “not applicable” for tuition. Setting them back to active restores the unpaid default.<br>- The Tuition summary now shows a “Target / achieved” line. Enter the monthly target under Settings > Tuition.<br>- Fixed the default currency changing when the device
1.0Oct 2, 2026 · seen Oct 15, 2026
First Android release. Method book progress, repertoire, lesson notes, tuition, attendance, recital mode and statistics — no account, works offline. App lock and password-protected encrypted backup are included in the free tier.
Otolog - Music Lesson Log is a productivity app by Freetokyo Labs with 5+ downloads (about 6 estimated). +4 installs in the last 7 days. Released Oct 2, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Mark method book pieces passed one by one. Student records, offline, no account.”