Calca app icon

Apps Like Calca for iPhone and iPad

by Krueger Systems, Inc.★ 0.00 ratingsProductivity$9.99Data updated 2026-09-08

Calca screenshots

Ranked alternatives

Showing 461–480 of 1,000 ranked alternatives.

  1. Calculator App + app icon

    Calculator App +

    JanoGroup LLC

    Calculate equations with precision

    Allows users to perform basic and advanced arithmetic, including equations with parentheses and percentages. It features color-coded parentheses, a dual-display showing the equation and result, and a history log with copy and share options.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  1. Hex Calculator Pro app icon

    Hex Calculator Pro

    Nguyen Van Huu

    Convert numbers between systems

    Hexadecimal and binary calculators allow users to perform arithmetic and bitwise operations. Convert between number systems and view results in decimal, hexadecimal, and binary formats. Save and share calculation history.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
  2. Pipe Working Pressure Calc app icon

    Pipe Working Pressure Calc

    Tan Chia Ling

    Calculate , thickness, and diameter

    Calculate fluid , wall thickness, and outside diameter using Barlow's Formula. Input values in various units and copy results to other apps. Includes formulas for reference and supports up to 16 decimal places.

    ★ 4.02 ratingsUtilities$2.99Data updated 2026-09-06
  3. 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

How we rank alternatives

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