📈Last 7 days+14 installs — 8% faster than the week before (+13) · 1/day since Oct 7
🏆Among Tools appstop 33% by installs gained this week (1137 peers growing)
🛠Updatesquiet · updated 107 days ago
Installs since launch
+45 installs
since Oct 7
Update history
1.3Jul 27, 2026 · seen Oct 21, 2026
Welcome to Custom Calculator Builder version 1.0! <br>Create your own personalized formulas, use handy built-in templates (like tip splitting and invoice markups), and save your most-used math for quick access.
Only the current version so far — new entries appear as the app ships updates.
Custom Calculator Builder is a tools app by Open Forge Labs with 100+ downloads (about 125 estimated). +14 installs in the last 7 days. Released Jul 24, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Build your own calculators, save formulas, and reuse them anytime, instantly.”