📈Last 7 days+13 installs — 54% slower than the week before (+28) · 3/day since Oct 7
🛠Updatesquiet · updated 113 days ago
Installs since launch
+73 installs
since Oct 7
Update history
4.3.8Jul 25, 2026 · seen Oct 16, 2026
25/07/2025 v.4.37<br>- Turn auto calculate on/off toggle<br>- Supports dark mode<br>- Optimisations for a faster launch time<br>- Supports 16 languages<br>- New UI<br>- Rebuilt from scratch
Only the current version so far — new entries appear as the app ships updates.
R1+R2 Zs Ze Calculator is a tools app by Pro Certs Software Ltd with 10,000+ downloads (about 14K estimated). +13 installs in the last 7 days. Released Apr 29, 2012. Install growth, rank history, SDKs and ad networks.
From the store listing: “Calculate and convert to or from R1+R2, Zs and Ze”
