Calca app icon

Apps Like Calca for iPhone and iPad

Symbolic calculator and text editor.

The app solves equations and simplifies expressions. It is a text editor for explaining ideas alongside calculations.

by Krueger Systems, Inc.★ 0.00 ratingsProductivity$9.99Data updated 2026-10-13

Calca screenshots

Ranked alternatives

Showing 401–420 of 1,000 ranked alternatives.

  1. APE Optics Calculator app icon

    APE Optics Calculator

    Stefan Popien

    Calculate SFM, DFG, and OPO wavelengths

    APE enables users to evaluate equations in ultrafast and nonlinear laser . It calculates Sum Frequency Generation, Difference Frequency Generation, optical parametric oscillator parameters, and coherent anti-Stokes Raman scattering values.

    ★ 4.84 ratingsEducationFreeData updated 2026-09-08
  1. Remote-RED app icon

    Remote-RED

    Looking4Cache UG (haftungsbeschraenkt)

    ★ 4.76 ratingsUtilitiesFreeData updated 2026-10-02
  2. Math Help: AI Math Solver app icon

    Math Help: AI Math Solver

    Celestial Commerce AB

    Solve problems with AI and Wolfram Alpha

    Capture problems via photo, solve them with AI and detailed steps, and generate practice questions for reinforcement. View solutions and explanations for various topics.

    ★ 5.03 ratingsEducationFreeData updated 2026-09-06
  3. Dev Calc Pro (Hex Dec Oct Bin) app icon

    Dev Calc Pro (Hex Dec Oct Bin)

    DAI WEIJIE

    Convert between number bases easily.

    The app displays binary, octal, decimal, and hexadecimal numbers on one screen. It also shows color hex codes and RGB values simultaneously.

    ★ 3.52 ratingsEducation$2.99Data updated 2026-10-13
  4. 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
  5. Inequality & System Solver app icon

    Inequality & System Solver

    Francesco Varotti

    Step by step

    By entering expressions and viewing step-by-step solutions. Support for systems of . Access exercises with detailed explanations to practice and review concepts.

    ★ 4.29 ratingsEducationFreeData updated 2026-09-29
  6. ThreadKing app icon

    ThreadKing

    Motionics, LLC

    Calculate thread sizes and dimensions

    Provides drill and tap size charts for fractional, letter, and wire standards. It calculates drill sizes for cutting and forming taps based on thread percentage. It also computes RPM and feed rates for cutting taps in various materials.

    ★ 4.712 ratingsProductivityFreeData updated 2026-09-10
  7. IHehsCalc app icon

    IHehsCalc

    A-EHS

    Calculate EHS and industrial hygiene equations

    Solve environmental health and safety equations with built-in formulas. Calculate exposure risks, chemical concentrations, and ventilation rates. Input variables and view step-by-step results. Share solutions via email or copy text.

    ★ 5.07 ratingsProductivityFreeData updated 2026-09-06
  8. Star Girl Calculator app icon

    Star Girl Calculator

    Totally Apps Holdings Limited

    Calculate, track, and manage finances

    Manage finances and track spending with basic functions. Compute mathematical expressions. Customize themes, backgrounds, and keyboards. Perform calculations in a stylized, themed interface.

    ★ 5.09 ratingsProductivityFreeData updated 2026-09-12

How we rank alternatives

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