📈Last 7 days+15 installs — 17% slower than the week before (+18) · 2/day since Oct 5
🏆Among Tools appstop 32% by installs gained this week (1137 peers growing)
🛠Updatesquiet · updated 70 days ago
Installs since launch
+62 installs
since Oct 5
Update history
1.0.6Sep 2, 2026 · seen Oct 5, 2026
Already bought Pro? It stays yours for life, with nothing more to pay.<br><br>The app is now translated into 30 languages instead of 9.<br><br>Pro is now a weekly subscription starting with a 7-day free trial. Ads keep showing during the trial; once the subscription is active, they are removed. Cancel any time in Google Play.
Only the current version so far — new entries appear as the app ships updates.
Scientific Calculator 991 is a tools app by Play3rs with 50+ downloads (about 98 estimated). +15 installs in the last 7 days. Released Aug 13, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Full expression calc: trig, log, fractions, history. No account needed.”