📈Last 7 days+4 installs — 100% faster than the week before (+2) · 0/day since Oct 7
🏆Among Tools apps bottom 43% by installs gained this week (1354 peers growing)
🛠Updatesdormant · updated 202 days ago
Installs since launch
+9 installs
since Oct 7
Update history
9Apr 24, 2026 · seen Oct 16, 2026
Improvements to proportion calculations, performance enhancements and bug fixes for a faster and more accurate experience.
Only the current version so far — new entries appear as the app ships updates.
Rule of 3 Calculator is a tools app by André F. with 1,000+ downloads (about 1K estimated). +4 installs in the last 7 days. Released Nov 4, 2019. Install growth, rank history, SDKs and ad networks.
From the store listing: “Calculate proportions quickly and easily”