FastCalc app icon

Apps Like FastCalc for iPhone and iPad

Calculator with large keys and display.

The app features large, easy-to-read keys for fast input and a permanent display of the user's expression. Results appear automatically as typing occurs, eliminating the need for an equals key.

by Andre Ponzo★ 4.84 ratingsProductivity$1.99Data updated 2026-09-12

FastCalc screenshots

Ranked alternatives

Showing 221–240 of 1,000 ranked alternatives.

  1. Unit Price Calculator app icon

    Unit Price Calculator

    SHIGETO TAKAGI

    Calculate prices and compare up to six

    Calculate prices using entered and quantity. Compare up to six items simultaneously. Input values as numbers or formulas. Adjust for shipping fees, service fees, item quantity changes, and discounts. Export results for further analysis.

    ★ 4.247 ratingsUtilitiesFreeData updated 2026-09-08
  2. CaIculator app icon

    CaIculator

    Edison Largo

    Calculate, convert, and solve equations

    Calculator allows users to perform basic and advanced mathematical operations. Input and display numbers with large, clear buttons. Correct entries using a backspace key. Support decimal points and parentheses for complex calculations.

    ★ 4.925 ratingsUtilitiesFreeData updated 2026-09-06
  1. i41CX app icon

    i41CX

    Antonio Lagana

    Calculate with RPN and scientific functions

    Perform complex calculations using RPN input. Access a wide range of scientific and programming functions. Customize skins and adjust key feedback settings. Input and edit equations with precise control. Save and retrieve programs for repeated use.

    ★ 4.645 ratingsProductivity$7.99Data updated 2026-09-08
  2. Calculator CIassic app icon

    Calculator CIassic

    Edison Largo

    Calculate, log, and solve equations

    Perform basic and advanced calculations with a scientific . View and edit calculation history. Correct entries using backspace. Switch between decimal point and decimal comma formats.

    ★ 4.911 ratingsUtilitiesFreeData updated 2026-09-06
  3. Fullscreen Clock app icon

    Fullscreen Clock

    Spencer Halse

    View time and date clearly

    Displays the current time and date in large, readable text. Swipe up to access settings. Choose between 12-hour and 24-hour time format. Select date display options. Toggle visibility of the date and seconds.

    ★ 4.936 ratingsUtilitiesFreeData updated 2026-09-06
  4. Vintage-45 app icon

    Vintage-45

    Willy Kunz

    Calculate with HP-45 precision

    Simulate the HP-45 scientific calculator with photo-realistic design and animated keys. Perform all original functions and operations. Access a secret stopwatch. Adjust processing speed between real-time and simulated.

    ★ 4.819 ratingsProductivity$0.99Data updated 2026-09-08
  5. Roman Calculator app icon

    Roman Calculator

    John Millhouse

    Calculate using numerals and fractions

    Performs arithmetic operations using numerals. Users can convert between and Arabic numbers. The supports landscape mode for additional functions and displays results in numerals. Backgrounds and button styles are customizable.

    ★ 5.04 ratingsProductivity$0.99Data updated 2026-09-08
  6. FriendlyCalculator app icon

    FriendlyCalculator

    Mitsunori Horie

    Calculate and display equations instantly

    Displays both the equation and result, with an option to hide the equation. Calculates instantly without pressing equals, toggleable for user preference. Includes square root calculation.

    ★ 4.54 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

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