📈Last 7 days+69 installs — 30% faster than the week before (+53) · 6/day since Oct 9
🏆Among Productivity appstop 12% by installs gained this week (901 peers growing)
⭐Rating steady at ★ 4.47 since Oct 9
🛠Updatesdormant · updated 183 days ago
Installs since launch
+195 installs
· +12 ratings
since Oct 9
Update history
1.5May 14, 2026 · seen Oct 22, 2026
Only the current version so far — new entries appear as the app ships updates.
Ductulator - HVAC Duct Sizing is a productivity app by welmurr with 5,000+ downloads (about 7.3K estimated). +69 installs in the last 7 days. Rated 4.5 from 362 ratings. Released Oct 29, 2022. Install growth, rank history, SDKs and ad networks.
From the store listing: “Duct Size Calculator for HVAC Design Engineers”