Opamp Calculator icon

Opamp Calculator

android-design.nl

★ 5.0 (382 ratings)

⬇ 50,000+ downloads

Est. actual: 80,744

Free

Released: Apr 21, 2012

IAP: $0.99 per item

Contains ads

Signals

4 this week · 2 positive · 1 warning All of this week's signals →

📈Last 7 days +17 installs — 89% faster than the week before (+9) · 2/day since Oct 9
🏆Among Productivity apps top 26% by installs gained this week (802 peers growing)
⭐Rating steady at ★ 5.00 since Oct 9
🛠Updates dormant · updated 451 days ago

Installs since launch

+50 installs · 0 ratings since Oct 9

Update history

3.012 Aug 17, 2025 · seen Oct 15, 2026

Updated for new Android versions.

Only the current version so far — new entries appear as the app ships updates.

Opamp Calculator is a productivity app by android-design.nl with 50,000+ downloads (about 81K estimated). +17 installs in the last 7 days. Rated 5.0 from 382 ratings. Released Apr 21, 2012. Install growth, rank history, SDKs and ad networks.

From the store listing: “Opamp Calculator for electronic engineers, hobbyists and students.”