Calca app icon

Apps Like Calca for iPhone and iPad

Calculate and write with math

Solve equations and simplify expressions instantly as you type. Create and manipulate variables and functions with few keystrokes. Edit Markdown text to explain calculations and ideas. Share results and export calculations in various formats.

by Krueger Systems, Inc.★ 4.5157 ratingsProductivity$9.99Data updated 2026-10-20

Calca screenshots

Ranked alternatives

Showing 521–540 of 1,000 ranked alternatives.

  1. CompisCalculator Pro app icon

    CompisCalculator Pro

    Karl Noreland

    Calculate, convert, and track results

    Allows users to perform scientific calculations with real-time results. It includes a unit converter for mass, volume, and currency with daily updates. Custom buttons let users save variables for quick access.

    ★ 5.03 ratingsProductivityFreeData updated 2026-09-06
  1. Graycode app icon

    Graycode

    Duo Pisceses, Inc.

    Number conversion and Hanoi Tower demonstration.

    The app converts numbers between decimal, hex, binary, and gray code. Changes to one number update the others.

    ★ 3.02 ratingsUtilities$2.99Data updated 2026-10-01
  2. Eleven | Calculator app icon

    Eleven | Calculator

    Alexander Ewering

    See and edit calculations instantly.

    The app provides real-time calculation results as users type, allowing them to see and edit the entire calculation at any position. It supports calculations of almost any length with an unlimited undo and redo feature.

    ★ 5.03 ratingsUtilitiesFreeData updated 2026-11-05
  3. 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

How we rank alternatives

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