Apps Like E-Calc Master 2021 for iPhone and iPad
E-Calc Master 2021 screenshots
Ranked alternatives
Showing 601–620 of 1,000 ranked alternatives.



Thermaflex Duct Calculator
Gastite Products LLC
Calculate Thermaflex duct size easily.
The app calculates the smallest Thermaflex duct size for HVAC installations. Users input project volume and friction loss to determine system velocity and the appropriate duct size.





Compressed Air Calc by ALMiG
ALMiG Kompressoren GmbH
Calculate pressure drop and convert units
Optimize air systems with unit conversions for pressure, volume, and temperature. Calculate pressure drop, condensate formation, and standard cubic meters according to DIN 1343 and ISO 2533. Determine optimal receiver size and system efficiency.


Infinity ID2
Bright Seam Ltd
Calculate device dip switch settings easily.
The app calculates dip switch settings for devices. Users specify zone, device number, and device type to get graphical switch settings.


RC Circuit Pro
Siu Yuen Ho
Calculate RC circuits and filter parameters.
The app calculates RC charging and RC filter circuits. It finds component values, voltage at time t, and cutoff frequency, and saves data to CSV files.



ReefDoser
Pixelwand Ltd
Calculate aquarium element dosages easily.
The app calculates dosages for tropical marine aquariums. It helps maintain recommended levels for Calcium, Magnesium, Alkalinity, and other elements using products from an updated database.


Wheels Speed Calculator
Liutauras Stravinskas
Calculate speedometer error with tire changes.
The app calculates speedometer error based on different tire dimensions. It can identify tire sizes that minimize speedometer error when using non-manufacturer recommended wheel diameters.



Aquarium Calculator Plus
Heng Jia Liang
Calculate water volume for aquariums
Calculate volume for square, rectangular, cylindrical, or hexagonal shapes. Input dimensions in inches or centimeters. Convert measurements to U.S. gallons or liters. Determine correct medication dosage and fish stocking levels based on volume.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.