📈Last 7 days+4 installs — 33% faster than the week before (+3) · 1/day since Oct 7
🏆Among Education appstop 45% by installs gained this week (2475 peers growing)
🛠Updatesactively updated · updated 10 days ago · every ~29 days (3 updates tracked)
Installs since launch
+16 installs
since Oct 7
Update history
2.0Nov 4, 2026
New calculation modules added: Compound Direct Rule of Three and Compound Inverse Rule of Three. Existing Simple Rule of Three functions (Direct and Inverse) have been optimized, and the UI has been enhanced for more intuitive and accurate navigation.
1.9Oct 26, 2026
New calculation modules added: Compound Direct Rule of Three and Compound Inverse Rule of Three. Existing Simple Rule of Three functions (Direct and Inverse) have been optimized, and the UI has been enhanced for more intuitive and accurate navigation.
1.8Sep 7, 2026 · seen Oct 16, 2026
New calculation modules added: Compound Direct Rule of Three and Compound Inverse Rule of Three. Existing Simple Rule of Three functions (Direct and Inverse) have been optimized, and the UI has been enhanced for more intuitive and accurate navigation.
Rule of Three Calculator R3 is an education app by AJStudios with 100+ downloads (about 134 estimated). +4 installs in the last 7 days. Released Jul 6, 2022. Install growth, rank history, SDKs and ad networks.
From the store listing: “Calculator that performs the simple and inverse rule of 3 and the percentage”
