Calctan app icon

Apps Like Calctan for iPhone and iPad

Calculate complex equations

Perform complex calculations with scientific functions, trigonometry, and unit conversions. Customize themes, adjust display settings, and save frequently used formulas. Export results and share calculations directly.

by Jorge Lozada★ 4.561 ratingsUtilitiesFreeData updated 2026-09-16

Calctan screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Calculator - Pad Edition app icon

    Calculator - Pad Edition

    Ratha Sou

    Calculate in portrait, science in landscape

    Perform basic calculations in portrait mode and scientific calculations in landscape. Use root, power, factorial, exponential, division, logarithm, and trigonometric functions. Features a flat UI design similar to built-in iOS apps.

    ★ 4.7357,788 ratingsUtilitiesFreeData updated 2026-09-08
  2. Calculator⁼ app icon

    Calculator⁼

    Impala Studios B.V.

    Calculate, edit, and track results

    Calculator provides basic and scientific calculation functions. Users can access a history of past calculations for review or reuse. It includes a live currency converter for exchange rate checks.

    ★ 4.6358,634 ratingsUtilitiesFreeData updated 2026-09-08
  1. Calculator₊ app icon

    Calculator₊

    Impala Studios B.V.

    Calculate, edit, and track equations

    Perform basic arithmetic operations including addition, subtraction, multiplication, and division. Access scientific functions for advanced calculations. Convert units between different measurement systems.

    ★ 4.71,729,318 ratingsUtilitiesFreeData updated 2026-09-08
  2. The Calculator Pro· app icon

    The Calculator Pro·

    KISSAPP, S.L.

    Calculate, convert, and solve with ease

    Offers seven-in-one functions including basic, scientific, and unit conversion tools for currency, distance, weight, time, and data. Switch between modes by rotating the device. View operation history on the screen. Use degree or radian settings.

    ★ 4.5153 ratingsUtilitiesFreeData updated 2026-09-16
  3. jCalc – Scientific Calculator app icon

    jCalc – Scientific Calculator

    Jon Ericksen

    Calculate fractions and decimals instantly

    Solve mathematical problems with fraction, decimal, and equation input. Display results in decimal, rational, , or trigonometric formats. Support up to 16 decimal places for precise calculations.

    ★ 4.6258 ratingsUtilitiesFreeData updated 2026-09-09
  4. Calculator‰ app icon

    Calculator‰

    Tim O's Studios, LLC

    Calculate with large buttons and clear display

    A calculator with large buttons and a clear display for efficient calculations. Supports basic arithmetic operations. Includes a Retina Display for improved visibility.

    ★ 4.9409,196 ratingsUtilitiesFreeData updated 2026-09-08
  5. Desmos Scientific Calculator app icon

    Desmos Scientific Calculator

    Desmos, Inc.

    Calculate, graph, and explore math functions

    Perform complex calculations with trigonometric, statistical, and combinatorial functions. Define and evaluate custom equations. Graph mathematical expressions and explore multiple variables. Save and reuse calculations for future use.

    ★ 4.3332 ratingsEducationFreeData updated 2026-09-12
  6. Calculator for iPad₊ app icon

    Calculator for iPad₊

    Impala Studios B.V.

    Calculate and share equations instantly

    Perform complex mathematical calculations using scientific functions and simple arithmetic. Calculate percentages, taxes, and financial figures. Save and share results with others. Syncs with iPad and iPhone.

    ★ 4.5126,019 ratingsUtilitiesFreeData updated 2026-09-11
  7. Calculator SC-323PU app icon

    Calculator SC-323PU

    Thomas Oellinger

    Calculate, edit, and track equations

    The provides scientific calculations, unit conversion, and logic-based computations. Users can switch between modes. It includes a built-in manual for operation guidance. Perform n-base conversions and unit-based calculations.

    ★ 4.7118 ratingsUtilities$3.99Data updated 2026-09-08
  8. Calculator with History + app icon

    Calculator with History +

    Beijing Free Calculator Technology Co., Ltd.

    Calculate and track financial formulas

    Perform calculations a scientific featuring pi, exponents, square root, negative numbers, and logarithms. View calculation and adjust decimal places or use thousands separators. Customize keyboard colors and sounds.

    ★ 4.725,089 ratingsFinanceFreeData updated 2026-09-17
  9. U Scientific calculator app icon

    U Scientific calculator

    EONSOFT

    Edit equations, calculate functions, solve complex problems

    Perform complex mathematical calculations including trigonometric functions, logarithms, and exponentials. Switch between radians and gradients. Edit equations and save results for future reference.

    ★ 4.319 ratingsUtilitiesFreeData updated 2026-09-13
  10. Construction Calculator Master app icon

    Construction Calculator Master

    Uncaught Exception Inc.

    Calculate and visualize projects

    Perform calculations with math functions and trigonometry. Switch between units like feet, inches, yards, and metric. Visualize measurements and fractions. Track projects with customizable templates. Export results in various formats.

    ★ 4.3433 ratingsUtilitiesFreeData updated 2026-09-06
  11. Basic Calculator+ app icon

    Basic Calculator+

    Christie Clark

    Calculate with large buttons and clear display

    A calculator with a clear display and large buttons supports functions. Switch between portrait and landscape modes on iPad. Perform simple calculations without additional features.

    ★ 4.9258,702 ratingsUtilitiesFreeData updated 2026-09-08
  12. TechniCalc Calculator app icon

    TechniCalc Calculator

    Jacob Parker

    Calculate equations naturally and precisely

    Allows users to perform complex calculations with a natural equation entry system. It supports split screen, wireless keyboards, and Apple Watch integration. The displays full equations in real time and offers dark mode for enhanced readability.

    ★ 4.782 ratingsUtilities$7.99Data updated 2026-09-24
  13. Calculator RPN app icon

    Calculator RPN

    Benjamin Pisano

    Calculate with RPN and scientific functions

    Perform complex calculations with scientific functions and RPN mode for efficient input. Access 54 math functions including logarithms, square roots, factorials, trigonometry, and coordinate conversions.

    ★ 4.748 ratingsUtilities$4.99Data updated 2026-09-08
  14. Calculator # app icon

    Calculator #

    An Truong

    Calculate, graph, and solve equations

    Perform complex calculations with a powerful math core and algebra engine. Display mathematical expressions with proper formatting. Solve equations, graph functions, and convert units. Access scientific, financial, and programming calculators.

    ★ 4.635,938 ratingsUtilitiesFreeData updated 2026-09-08
  15. Construction Master Pro Calc app icon

    Construction Master Pro Calc

    Calculated Industries, Inc.

    Try before you buy

    Calculate measurements and perform unit conversions for projects. Perform trigonometric calculations and angle measurements. Access a full user guide and use built-in formulas for precise calculations.

    ★ 4.839,684 ratingsUtilitiesFreeData updated 2026-09-08
  16. Feet & Inches Tape Calculator app icon

    Feet & Inches Tape Calculator

    Tue Nguyen Minh

    Calculate and with a measure display

    Convert measurements between , , and centimeters. Input fractions or decimals for precise calculations. View results on a visual measure display. Perform addition, subtraction, multiplication, and division with measurement values.

    ★ 4.49,262 ratingsUtilitiesFreeData updated 2026-09-15

How we rank alternatives

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