📈Last 7 days+13 installs — 68% slower than the week before (+41) · 2/day since Oct 9
🏆Among Education appstop 25% by installs gained this week (2143 peers growing)
🛠Updatesdormant · updated 322 days ago
Installs since launch
+54 installs
since Oct 9
Update history
1.2.6Dec 26, 2025 · seen Oct 25, 2026
Some bugs have been corrected.
Only the current version so far — new entries appear as the app ships updates.
Mars Book is an education app by 株式会社ビクセン with 10,000+ downloads (about 10K estimated). +13 installs in the last 7 days. Released Feb 4, 2018. Install growth, rank history, SDKs and ad networks.
From the store listing: “The Mars Book app is dedicated for observing Mars close approach in autumn 2020.”