OpenCalc - Calculator

Name: OpenCalc - Calculator
Rating: 4.162791 (1134 reviews)
Author: Darkempire

Darkempire

★ 4.2 (1,134 ratings)

⬇ 100,000+ downloads

Est. actual: 315,913

Free

Released: Nov 2, 2022

No in-app purchases

No ads

Rated: Everyone

Signals

3 this week · 2 warnings All of this week's signals →

📈Last 7 days +10K installs — 24% slower than the week before (+14K) · 1.1K/day since Sep 26
⭐Rating steady at ★ 4.16 since Sep 26
🛠Updates dormant · updated 420 days ago

Installs since launch

+42,234 installs · +59 ratings since Sep 26

Update history

3.1.4 Sep 21, 2025 · seen Sep 26, 2026

Fix history deletion

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

OpenCalc - Calculator is a tools app by Darkempire with 100,000+ downloads (about 316K estimated). +10K installs in the last 7 days. Rated 4.2 from 1.1K ratings. Released Nov 2, 2022. Install growth, rank history, SDKs and ad networks.

From the store listing: “This modern and beautiful scientific calculator will help you solve all your calculations. It is simple, effective and contains no advertising. It has different themes to suit your phone perfectly. The app allows you to do simple and quick calculations with many basic functions, including multiplication, division,…”