Ductulator - Duct Sizing
Wassim Murr Productivity 4+ $3.99
4.74 · 344 ratings
Best position now
#34
across 3 storefronts
Peak
#20Days tracked
38Ratings
344 Chart history
38 days recorded by us
Storefronts
charting in 3 today
Ratings
344 on the App Store
Price
changed 10 time(s) in our window
Installs and revenue
Apple publishes none — we do not guess
Currently charting
History
Built from Astrina’s own daily snapshots — one point per day.
Chart position — 🇺🇸 Top Paid
24.07 21.08 24.09
Show the numbers
| Day | Position |
|---|---|
| 24.07 | #30 |
| 25.07 | #41 |
| 31.07 | #20 |
| 01.08 | #48 |
| 02.08 | #59 |
| 05.08 | #50 |
| 06.08 | #57 |
| 07.08 | #28 |
| 08.08 | #28 |
| 09.08 | #48 |
| 11.08 | #52 |
| 12.08 | #35 |
| 13.08 | #31 |
| 14.08 | #29 |
| 15.08 | #32 |
| 18.08 | #40 |
| 19.08 | #32 |
| 20.08 | #28 |
| 21.08 | #31 |
| 22.08 | #29 |
| 23.08 | #43 |
| 25.08 | #29 |
| 26.08 | #36 |
| 27.08 | #38 |
| 28.08 | #41 |
| 29.08 | #51 |
| 30.08 | #42 |
| 31.08 | #48 |
| 01.09 | #43 |
| 03.09 | #59 |
| 05.09 | #48 |
| 10.09 | #43 |
| 16.09 | #26 |
| 17.09 | #33 |
| 18.09 | #40 |
| 19.09 | #41 |
| 23.09 | #34 |
| 24.09 | #34 |
Number of ratings
31.08 16.09 24.09
Show the numbers
| Day | Ratings |
|---|---|
| 31.08 | 332 |
| 01.09 | 332 |
| 03.09 | 332 |
| 05.09 | 334 |
| 10.09 | 336 |
| 16.09 | 338 |
| 17.09 | 338 |
| 18.09 | 340 |
| 19.09 | 340 |
| 23.09 | 343 |
| 24.09 | 344 |
Screenshots
About this app
Size HVAC ducts instantly using airflow, friction or velocity.
Get accurate duct dimensions in seconds — no charts required.
• Get a range of suitable duct sizes based on friction rate or velocity.
• Get multiple valid duct dimensions instantly.
• Tap on Friction Rate or Velocity to toggle between calculation methods.
• IP and SI units.
• Detailed sizing mode to adjust the duct dimensions and air flow rates.
• Supports rectangular, circular and flexible ducts.
• Automatic friction and velocity updates.
Calculations are based on standard air 0.075 lb/ft3 (1.2 kg/m3) in clean galvanized steel or non-metallic flexible ducts.
Any feedback is welcome, and will be the basis for future updates.
Get accurate duct dimensions in seconds — no charts required.
• Get a range of suitable duct sizes based on friction rate or velocity.
• Get multiple valid duct dimensions instantly.
• Tap on Friction Rate or Velocity to toggle between calculation methods.
• IP and SI units.
• Detailed sizing mode to adjust the duct dimensions and air flow rates.
• Supports rectangular, circular and flexible ducts.
• Automatic friction and velocity updates.
Calculations are based on standard air 0.075 lb/ft3 (1.2 kg/m3) in clean galvanized steel or non-metallic flexible ducts.
Any feedback is welcome, and will be the basis for future updates.
Details
| Developer | Wassim Murr |
|---|---|
| Category | Productivity |
| Price | $3.99 |
| Age rating | 4+ |
| Version | 3.5 |
| Size | 1.2 MB |
| Minimum iOS | 18.6 |
| Bundle ID | com.welmurr.Ductulator |
| Released | 2019-08-13 |
| Last updated | 2026-03-24 |
| Languages | 3 languages |
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