Apps Like Pipel for iPhone and iPad
Ranked alternatives
Showing 301–320 of 1,000 ranked alternatives.



RC-GEAR
WILL PLANT, Y.K.
Calculate gear ratios and track gear settings
Calculate car gear ratios using spur and pinion gear counts and secondary gear ratios. Input values to determine final drive ratio. Compare low and high gear settings for acceleration, speed, motor load, and battery life.



Volume in Pipe
Kelly Gayneaux
Estimate gas in pipes and vessels
Estimate gas in pipes, pig launchers, or vessels. Input operating conditions and select size. Calculate approximate based on general assumptions. Intended for quick field estimates only.






Cornell Pump Toolkit
Cornell Pump Company
Calculate heads, losses, and save results
Calculate Total Dynamic Head, Net Positive Suction Head, and Friction Loss. Save and share calculation results. Suggest pumps from a catalog based on system needs. Function without internet connection on Apple devices.

Calculator of Air
yoshihito sakagami
Calculate humidity properties instantly
Calculate humidity properties using dry-bulb, wet-bulb, and dew point temperatures. Input values to determine relative humidity, vapor pressure, and specific humidity. Display results in a interface with precise Wexler–Hyland formulation.

Gear Simulation & Calculation
Heng Jia Liang
Simulate gears, calculate ratios, track speed
Calculate ratios, torque, and speed for train systems. Input teeth numbers and speeds to determine outputs. Simulate train operation instantly. Preview system functionality before 3D printing.



StackCalculatorApp
Great Hill Global Limited
Calculate and stack equations simultaneously
Perform calculations in a stack format. Each line functions as a standalone calculation or interacts with others. Edit, delete, or rearrange entries. Use mathematical functions and parentheses. Save and recall previous calculations.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.