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 281–300 of 1,000 ranked alternatives.

  1. Calculator -Classic Calculator app icon

    Calculator -Classic Calculator

    云云 唐

    Calculate with sound and precision

    Classic performs addition, subtraction, multiplication, and division. It provides audio feedback for calculation results. Displays results instantly on the screen. Swiping down shows a history of previous calculations.

    ★ 4.48 ratingsProductivity$0.99Data updated 2026-09-16
  1. GridCarbon app icon

    GridCarbon

    Alex Rogers

    Track electricity carbon intensity on iPhone.

    The app tracks the carbon intensity of the GB electricity grid. It displays instantaneous carbon intensity and provides a traffic light indicator for low and high periods.

    ★ 3.26 ratingsUtilitiesFreeData updated 2026-09-12
  2. Binary Calculator. app icon

    Binary Calculator.

    Edgar Garcia Leyva

    Convert numbers between , octal, decimal,

    Convert numbers between , octal, decimal, and hexadecimal systems. Perform step-by-step conversions. Adjust application theme, set maximum digits in fractional results, choose negative number representation, and limit bits in negative outputs.

    ★ 4.910 ratingsUtilitiesFreeData updated 2026-09-06
  3. iMean app icon

    iMean

    Burgeon & Flourish, LLC

    Type words, get suggestions, communicate clearly

    Enable communication with a customizable letterboard featuring large, easy-to-read keys. Provide word suggestions to aid in sentence formation and reading. Support text-to-speech functionality for verbal output.

    ★ 5.03 ratingsEducation$4.99Data updated 2026-09-08
  4. Answer Sheet - Awesome Test Preparation Tool app icon

    Answer Sheet - Awesome Test Preparation Tool

    Long Cao

    Practice tests and review answers

    Practice tests for TOEIC, TOEFL, IELTS, and GMAT. Record answers digitally without paper. View sheets and track progress. Simulate real conditions. Export results and review mistakes.

    ★ 4.39 ratingsEducationFreeData updated 2026-09-08
  5. Level Tool app icon

    Level Tool

    FAPPS WORLD et Cie SCS

    Calibrate and measure slope angles

    Measure surface slope in two directions with degree and percentage display. Calibrate before use for accurate readings. Hold function locks current measurement.

    ★ 4.114 ratingsProductivity$0.99Data updated 2026-09-08
  6. RPN-70 SD app icon

    RPN-70 SD

    Willy Kunz

    Simulate financial calculations

    Simulate the HP-70 financial calculator with loan amortization, saving plans, depreciation, and storage registers. View stack contents in popup windows. Perform financial calculations with enhanced accuracy and additional storage options.

    ★ 4.711 ratingsProductivityFreeData updated 2026-09-08
  7. TWIC ADVISR app icon

    TWIC ADVISR

    Kibong Lee

    Check CIN and verify card status

    Verify card validity by scanning a barcode or entering a CIN. Compare the CIN against a canceled list. If canceled, display a warning. If valid, check the expiration date on the card's front.

    ★ 3.79 ratingsProductivityFreeData updated 2026-09-17
  8. Calculator Pro - Simple App app icon

    Calculator Pro - Simple App

    woodsmall inc.

    A simple stylish percent calculator.

    The app offers percent and constant calculations. It supports input up to 12 digits and customizable themes and display settings.

    ★ 3.65 ratingsProductivity$6.99Data updated 2026-10-20
  9. Physics Toolbox Magnetometer app icon

    Physics Toolbox Magnetometer

    Chrystian Vieyra

    Measure magnetic fields in 3D

    Measure magnetic field strength in microtesla units across x, y, and z axes. Display total magnetic field magnitude. Detect Earth's magnetic field and identify permanent magnets or electromagnetic fields.

    ★ 5.07 ratingsEducationFreeData updated 2026-09-10

How we rank alternatives

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