Apps Like EngiTools Pro for iPhone and iPad
Ranked alternatives
Showing 921–940 of 1,000 ranked alternatives.







Fan Spec Performance
Muralidhar Shenoy
Evaluate fan specs and calculate duct
Evaluate fan specifications based on flow rate, static pressure, shaft power, and efficiency. Calculate average duct velocity, pressure loss, and leakage rates. Create and save multiple fan-duct system applications for analysis and review.

Unit Ⅽonverter
Polymath Company Limited
Convert units with custom and combined measurements
Convert units of measurement with a calculator that handles multiple conversions at once. Input expressions for complex calculations. Support custom units and combined conversions.

VisualChangeNet
Cagil Durgun
Compare images and highlight differences
Compare images side by side to identify differences. Upload two images and highlight variations with precise detection. Track construction progress, analyze map changes, and verify design updates. Share comparison results directly.





GB Gas Pipe Sizing Calculator
George A Brown
Calculate natural gas pipe sizes easily.
The app calculates natural gas pipe sizes for metric copper and stainless steel pipes. Users input appliance gas rate, meter length, and bends to check for a 1mb pressure drop.



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