Apps Like Ductulator - Duct Sizing for iPhone and iPad
Size ducts by friction rate or velocity
Calculate sizes for rectangular and circular ducts by inputting maximum friction rate or velocity. Switch between calculation methods by tapping values. Convert between I-P and S-I units using a toggle switch. Export results for reference.
Ductulator - Duct Sizing screenshots
Ranked alternatives
Showing 701–720 of 1,000 ranked alternatives.



Gas Pipe Sizing Calculator
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Calculate correct gas pipe sizes easily.
The app helps users select the right size pipes for boiler installations. It calculates the total equivalent length, minimum pipe diameter, and pressure drop for copper, steel, and PE pipes.






CDSiPipe
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Pipe and valve reference toolbox for professionals.
The app provides reference information for steel pipe and valves. Users can explore pipe capacities, coatings, chemistry, finishes, and physical dimensions.





ScoreBook Baseball Scoring App
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Track game stats and score live
Track and softball games with real-time stats. Log pitches, hits, and outs with single-tap inputs. View detailed analytics and game progress. Set up quickly and use without any locked features.


Kutta Joukowski
Torbjorn Sjogren
Learn basic aerodynamics with transformations.
The app solves fluid flow around an airfoil using analytical methods. It demonstrates the Kutta-Joukowski transformation, showing streamlines and pressure distribution, with adjustable angle of attack, thickness, and camber.




How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.