📈Last 7 days+21 installs — 50% faster than the week before (+14) · 2/day since Oct 9
🏆Among Education appstop 19% by installs gained this week (1418 peers growing)
🛠Updatesdormant · updated 423 days ago
Installs since launch
+56 installs
since Oct 9
Update history
2.0.0.0Sep 13, 2025 · seen Oct 15, 2026
✨ New feature added for better experience<br>🐞 Bug fixes and performance improvements<br>🎉 More interactive and engaging content
Only the current version so far — new entries appear as the app ships updates.
OPERATING SYSTEM NOTES is an education app by Tech Zone App's with 10,000+ downloads (about 33K estimated). +21 installs in the last 7 days. Released Jun 9, 2018. Install growth, rank history, SDKs and ad networks.
From the store listing: “OPERATING SYSTEM NOTES OFFLINE”