Tap And Drill Chart Calculator icon

Tap And Drill Chart Calculator

Greg A Miller
★ 4.4 (540 ratings)
⬇ 100,000+ downloads
Est. actual: 368,354
Free
Released: Jul 24, 2016
No in-app purchases
No ads

Signals

4 this week · 1 positive · 2 warnings All of this week's signals →
  • 📈Last 7 days +66 installs — 43% slower than the week before (+115) · 11/day since Oct 7
  • 🏆Among Tools apps top 18% by installs gained this week (1113 peers growing)
  • ⭐Rating steady at ★ 4.45 since Oct 7
  • 🛠Updates dormant · updated 499 days ago
Installs since launch
0 184K 368K 368K Jul 24, 2016 today
+343 installs · +1 ratings since Oct 7
Update history
4.2.3 Jun 30, 2025 · seen Oct 17, 2026
Only the current version so far — new entries appear as the app ships updates.

Tap And Drill Chart Calculator is a tools app by Greg A Miller with 100,000+ downloads (about 368K estimated). +66 installs in the last 7 days. Rated 4.4 from 540 ratings. Released Jul 24, 2016. Install growth, rank history, SDKs and ad networks.

From the store listing: “Calculate charts for various thread percentages for SAE and Metric screws”