SUMM Calculator & Launcher

Name: SUMM Calculator & Launcher
Author: WonJun Lee

WonJun Lee

⬇ 10+ downloads

Est. actual: 28

Free

Released: Feb 23, 2022

No in-app purchases

Contains ads

Rated: Everyone

Signals

3 this week · 3 positive All of this week's signals →

📈Last 7 days +1 installs · 0/day since Oct 5
🏆Among Tools apps bottom 0% by installs gained this week (1354 peers growing)
🛠Updates actively updated · updated 10 days ago · every ~112 days (2 updates tracked)

Installs since launch

+1 installs since Oct 5

Update history

2.2.1 Nov 2, 2026 · seen Nov 6, 2026

Updated for Android 16 compatibility and the latest Google Play target API requirements.

2.2.0 Jul 13, 2026 · seen Oct 5, 2026

Version 2.2.0 • Rebuilt every screen with Jetpack Compose and Material 3 • Refined calculator, scientific tools, history, settings, and About • Improved private launcher search and shortcut management • Refreshed the app icon and Google Play graphics • Added automated calculator and launcher UI tests

SUMM Calculator & Launcher is a tools app by WonJun Lee with 10+ downloads (about 28 estimated). +1 installs in the last 7 days. Released Feb 23, 2022. Install growth, rank history, SDKs and ad networks.

From the store listing: “Calculate quickly, review your history, and open selected apps with numeric shortcuts—all in one privacy-focused Android calculator. SUMM Calculator combines everyday arithmetic, scientific functions, flexible formatting, and an optional private launcher. Calculations, settings, history, and shortcut mappings stay on…”