📈Last 7 days+250 installs — 148% faster than the week before (+101) · 14/day since Oct 9
🏆Among Books & Reference appstop 3% by installs gained this week (377 peers growing)
🛠Updatesquiet · updated 50 days ago
Installs since launch
+351 installs
since Oct 9
Update history
16.0Sep 21, 2026 · seen Oct 24, 2026
✨ **What’s New**<br>• Added Premium Purchase option for an enhanced, ad-free experience.<br>• Improved app stability and performance.<br>• Fixed minor bugs and improved overall user experience.<br>• General improvements and optimizations.
Only the current version so far — new entries appear as the app ships updates.
Internal Combustion Engine is a books & reference app by Engineering Wale Baba with 10,000+ downloads (about 14K estimated). +250 installs in the last 7 days. Released Oct 18, 2015. Install growth, rank history, SDKs and ad networks.
From the store listing: “Internal Combustion Engine notes: 2 & 4 Stroke, Otto, Diesel, Fuel Injection”
