Custom Calculator Builder icon

Custom Calculator Builder

Open Forge Labs
⬇ 100+ downloads
Est. actual: 125
Free
Released: Jul 24, 2026
No in-app purchases
Contains ads

Signals

3 this week · 2 positive All of this week's signals →
  • 📈Last 7 days +14 installs — 8% faster than the week before (+13) · 1/day since Oct 7
  • 🏆Among Tools apps top 33% by installs gained this week (1137 peers growing)
  • 🛠Updates quiet · updated 107 days ago
Installs since launch
0 63 125 125 Jul 24, 2026 today
+45 installs since Oct 7
Update history
1.3 Jul 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.”