O3Meter - Ozone measurement icon

O3Meter - Ozone measurement

AperCloud

⬇ 5+ downloads

Est. actual: 8

Released: Aug 18, 2026

No in-app purchases

No ads

Signals

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

📈Last 7 days 0 installs · 0/day since Oct 5
🏆Among Tools apps bottom 0% by installs gained this week (942 peers growing)
🛠Updates actively updated · updated 8 days ago · every ~76 days (2 updates tracked)

Installs since launch

+3 installs since Oct 5

Update history

1.5.0 Nov 2, 2026 · seen Nov 5, 2026

Interface improvements<br>Schönbein and Bérigny scales

1.26 Aug 19, 2026 · seen Oct 5, 2026

O3Meter - Ozone measurement is a tools app by AperCloud with 5+ downloads (about 8 estimated). Released Aug 18, 2026. Install growth, rank history, SDKs and ad networks.

From the store listing: “Objective ozone readings from ozonoscope paper strips. Open source”