AppMarketSpy › Utilities › Ductwise: Duct Calculator
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App info
- Developer
- BEK Service LTD
- Category
- Utilities
- Released
- Oct 1, 2026
- Version
- 1.0 (Oct 1, 2026)
- Price
- Free
- Size
- 95.8 MB
- Requires
- iOS 15.0
- Age rating
- 4+
- Languages
- English, Afrikaans, Albanian, Amharic, Arabic, Azerbaijani, Basque, Belarusian, Bengali, Bulgarian, Burmese, Cambodian, Catalan, Croatian, Czech, Danish,…
In-app purchases
| Ductwise Pro | $7.99 |
Current prices, App Store US.
🔒 Price history3 snapshots: when prices changed and new plans appearedGet Pro access
About Ductwise: Duct Calculator
Ductwise sizes ductwork the way the standards do — and shows you the numbers behind the answer. Type the airflow and the friction rate you design to. Ductwise gives you the exact round duct, the next size you can actually buy, the resulting velocity, and the rectangular equivalent for the same friction and flow. No chart, no cardboard slide rule, no guessing. BUILT FOR THE JOB • Big, high-contrast numbers you can read on a roof in daylight • Large touch targets that work with gloves on • Dark mode for plant rooms and night shifts • Every calculation works offline — no account, no sign-in • Metric and imperial, switched with one tap WHAT IT CALCULATES • Equal-friction and velocity duct sizing • Next manufactured size, so the answer is something you can order • Rectangular and flat-oval equivalents, with an aspect-ratio warning • Friction rate, velocity, velocity pressure, Reynolds…
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