📈Last 7 days+6 installs — 200% faster than the week before (+2) · 1/day since Oct 7
🏆Among Productivity appstop 38% by installs gained this week (901 peers growing)
⭐Rating steady at ★ 2.57 since Oct 7
🛠Updatesdormant · updated 1030 days ago
Installs since launch
+22 installs
· 0 ratings
since Oct 7
Update history
2.0Jan 18, 2024 · seen Oct 22, 2026
api update
Only the current version so far — new entries appear as the app ships updates.
Duct Calculator is a productivity app by Number Engineer with 10,000+ downloads (about 26K estimated). +6 installs in the last 7 days. Rated 2.6 from 39 ratings. Released Jun 20, 2018. Install growth, rank history, SDKs and ad networks.
From the store listing: “Calculate the duct size required for air flow”
