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 181–200 of 1,000 ranked alternatives.

  1. Good Grapher Pro - scientific graphing calculator app icon

    Good Grapher Pro - scientific graphing calculator

    Iurii Mozharovskyi

    Graph functions and solve equations

    With history tape, real and complex number support, angle modes including radians and degrees. Calculates astronomical constants and supports minutes, seconds, and grads.

    ★ 4.888 ratingsEducation$1.99Data updated 2026-09-08
  2. Chemical Engineering AppSuite HD app icon

    Chemical Engineering AppSuite HD

    Vector 254 LLC

    Convert units, calculate formulas, track reactions

    Calculate reactions with built-in equations and thermodynamic data. Convert units for pressure, temperature, and concentration. Solve material and energy balance problems. Access property tables for gases and liquids.

    ★ 4.681 ratingsProductivity$0.99Data updated 2026-10-09
  1. Calc Pro - Simple and Useful app icon

    Calc Pro - Simple and Useful

    Keita Nonaka

    Calculate large numbers precisely

    Perform complex mathematical calculations with up to 15 digits of decimal precision. Handle large numbers without ellipsis. Save and reuse calculation equations. Access calculation history even after closing the .

    ★ 4.86 ratingsUtilitiesFreeData updated 2026-09-16
  2. Calculator!! app icon

    Calculator!!

    Behzad Dogahe

    Calculate and track expressions

    Calculator displays calculations in real-time and saves a history accessible by swiping up. It handles fractions, converting between proper, improper, and mixed formats. It supports degrees, minutes, and seconds for angle input.

    ★ 4.456 ratingsUtilities$2.99Data updated 2026-09-08
  3. SciGraph Calculator app icon

    SciGraph Calculator

    Jeffrey Yambao

    Solve equations and graph functions

    Solve complex equations with trigonometry, logarithms, powers, and factorials. Graph functions instantly in DEG/RAD mode. Switch between scientific and graphing modes. Store and recall equations. Export graphs and calculations.

    ★ 0.00 ratingsProductivity$14.99Data updated 2026-09-06
  4. DB48X app icon

    DB48X

    Christophe de Dinechin

    Compute with arbitrary precision

    Perform complex calculations with RPN and algebraic input. Handle arbitrary precision, complex numbers, and multiple bases. Work with vectors, matrices, and text. Solve equations symbolically and numerically. Graph functions and plot data.

    ★ 4.85 ratingsProductivity$4.99Data updated 2026-10-30
  5. Plus: Business Calculator app icon

    Plus: Business Calculator

    Artem Danilov

    Edit spreadsheets with voice input

    Perform calculations for taxes, income, tips, sales, costs, discounts, budgets, and credit. Use voice input for Chinese, English, French, German, and Indonesian. Edit spreadsheets with intuitive tools and save ideas.

    ★ 4.875 ratingsBusinessFreeData updated 2026-09-13
  6. Kalkulilo (Calculator) app icon

    Kalkulilo (Calculator)

    Alexander Clauss

    Calculates with multiple modes and customizable settings

    The app provides multiple calculation modes for various mathematical tasks. The app includes customizable interfaces and widgets for convenient use across devices.

    ★ 4.529 ratingsProductivity$2.99Data updated 2026-11-03
  7. Formulus Free app icon

    Formulus Free

    Daniel Byon

    A collection of important math formulas.

    The app provides a collection of math formulas for high school and college students. It covers subjects such as algebra, geometry, derivatives, integrals, limits, and trigonometry.

    ★ 5.05 ratingsEducationFreeData updated 2026-09-10
  8. Ai Math Solver: Smart Helper app icon

    Ai Math Solver: Smart Helper

    East End Technologies Ltd.

    Solve problems instantly

    Solve problems by scanning or typing equations. Get step-by-step explanations for algebra, geometry, and chemistry. Edit and rescan handwritten work for accurate results.

    ★ 4.413 ratingsEducationFreeData updated 2026-09-06
  9. Math Solver - Algebra AI Tutor app icon

    Math Solver - Algebra AI Tutor

    HELIKANON YAZILIM VE BILISIM TEKNOLOJILERI SANAYI TICARET LIMITED SIRKETI

    Snap problems, get step-by-step solutions

    Solve problems by snapping photos. Receive step-by-step explanations and translations. Access grammar tips, email support, trivia quizzes, and writing tools.

    ★ 4.244 ratingsEducationFreeData updated 2026-09-06
  10. Slopes: Differential Equations app icon

    Slopes: Differential Equations

    Tim Lucas

    Explore with slopefields and phase planes

    Explore graphical solutions to ordinary with interactive activities. Input custom or use preloaded examples. Plot vector fields and solutions for multiple initial conditions. Solve systems of up to six dynamically.

    ★ 4.941 ratingsEducationFreeData updated 2026-09-11
  11. DB50X app icon

    DB50X

    Christophe de Dinechin

    ★ 5.09 ratingsProductivity$9.99Data updated 2026-11-03
  12. Intuitive Memory Calculator app icon

    Intuitive Memory Calculator

    Sri Dama

    Store numbers, retrieve numbers, calculate results

    Allows users to store and retrieve numbers using multiple slots. Tap a slot to save a number and tap again to recall it. Swipe up and tap Delete to clear a slot. Access 25 recent calculations for quick reference.

    ★ 4.557 ratingsProductivityFreeData updated 2026-09-14

How we rank alternatives

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