E-Calc Master 2021 app icon

Apps Like E-Calc Master 2021 for iPhone and iPad

by Snappy Appz Inc.★ 3.02 ratingsUtilities$13.99Data updated 2026-10-12

E-Calc Master 2021 screenshots

Ranked alternatives

Showing 601–620 of 1,000 ranked alternatives.

  1. Thermaflex Duct Calculator app icon

    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.

    ★ 2.01 ratingsUtilitiesFreeData updated 2026-10-17
  1. DOFcal app icon

    DOFcal

    Jernej Klansek

    ★ 4.01 ratingsPhoto & VideoFreeData updated 2026-09-10
  2. Compressed Air Calc by ALMiG app icon

    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.

    ★ 4.01 ratingsProductivityFreeData updated 2026-09-10
  3. Infinity ID2 app icon

    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.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-10-14
  4. RC Circuit Pro app icon

    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.

    ★ 1.01 ratingsUtilities$0.99Data updated 2026-10-28
  5. ReefDoser app icon

    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.

    ★ 1.01 ratingsUtilitiesFreeData updated 2026-09-13
  6. Wheels Speed Calculator app icon

    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.

    ★ 1.01 ratingsUtilitiesFreeData updated 2026-10-06
  7. GasVo app icon

    GasVo

    Zane Neurothrone

    ★ 0.00 ratingsProductivityFreeData updated 2026-09-06
  8. P-Calc app icon

    P-Calc

    Thibault Delimard

    ★ 5.01 ratingsBusinessFreeData updated 2026-09-06
  9. Aquarium Calculator Plus app icon

    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.

    ★ 5.01 ratingsUtilities$2.99Data updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.