📈Last 7 days+81 installs — 55% slower than the week before (+181) · 10/day since Oct 9
🏆Among Education appstop 8% by installs gained this week (1707 peers growing)
🛠Updatesquiet · updated 69 days ago
Installs since launch
+262 installs
since Oct 9
Update history
11.0.0Sep 3, 2026 · seen Oct 24, 2026
Only the current version so far — new entries appear as the app ships updates.
Klett Book App is an education app by Klett Hellas with 5,000+ downloads (about 8.2K estimated). +81 installs in the last 7 days. Released Dec 3, 2014. Install growth, rank history, SDKs and ad networks.
From the store listing: “Electronic library of educational books Klett company.”