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 121–140 of 1,000 ranked alternatives.

  1. Simple Calculator. + app icon

    Simple Calculator. +

    tasser gyati

    Calculate taxes and percentages

    Perform arithmetic calculations with 12 digits. Calculate tax, percentages, and cost, selling price, and gross margin. Use memory functions, square root, and sign change. Track grand total.

    ★ 4.7147 ratingsUtilities$1.99Data updated 2026-09-14
  2. PCalc Lite app icon

    PCalc Lite

    TLA Systems Ltd.

    Calculate with advanced scientific functions

    Perform complex calculations with support for hexadecimal, octal, and binary. Use RPN mode and multi-line display. Access unit conversions, constants, and scientific notation. View a paper tape and use multiple undo/redo functions.

    ★ 4.4214 ratingsUtilitiesFreeData updated 2026-09-08
  3. Calc app icon

    Calc

    Michael Wesemann

    Calculates with precision and style

    The app provides a simple and intuitive interface for performing calculations. It supports multiple number systems and includes various conversion tools.

    ★ 3.928 ratingsUtilitiesFreeData updated 2026-09-09
  1. Calculator Plus v2 app icon

    Calculator Plus v2

    Wern Jie Lim

    Calculate, edit, and track equations

    Plus provides arithmetic and scientific calculations with live expression preview and error detection. Perform operations in exact form, fractions, and scientific notation. Switch between standard and scientific modes. Share results directly.

    ★ 4.7133 ratingsUtilitiesFreeData updated 2026-09-12
  2. CalcBox -All in One Calculator app icon

    CalcBox -All in One Calculator

    Realbyte Inc.

    Calculate, convert, and organize tasks

    Performs basic arithmetic and scientific calculations. Save equations and results for later. Unit Converter converts units for area, length, temperature, and more. Includes tools for currency exchange, date calculations, and percentage computations.

    ★ 4.8303 ratingsUtilitiesFreeData updated 2026-09-06
  3. Calc Pro - The Top Calculator app icon

    Calc Pro - The Top Calculator

    Panoramic Software Inc.

    Calculate and manage your finances

    Perform complex calculations using ten built-in calculators. Access ten financial worksheets for budgeting, loans, and investments. Input formulas, view results, and save calculations. Export data as PDF or text. Switch between light and dark modes.

    ★ 4.7358 ratingsUtilities$7.99Data updated 2026-09-08
  4. Calculator 1+1 app icon

    Calculator 1+1

    Vikas Choudhary

    Calculate, edit, and track equations

    Perform basic arithmetic operations, including addition, subtraction, multiplication, and division. Use parentheses for complex calculations. Switch between light and dark themes for better visibility.

    ★ 4.47 ratingsUtilitiesFreeData updated 2026-09-06
  5. Arc+ app icon

    Arc+

    Mohamed Saad

    Calculate radius, length, and chord

    Arc+ calculates radius, length, width, height, and tangent by inputting two known values. Converts between measurement units. Saves results to a favorites list and shares them with others.

    ★ 4.6118 ratingsUtilitiesFreeData updated 2026-09-18
  6. Numerari Scientific Calculator app icon

    Numerari Scientific Calculator

    KnowledgeDoor LLC

    Solve complex science and math problems.

    The app offers comprehensive unit calculations and complex number support. It includes powerful graphing capabilities and a wide range of functions for scientific and mathematical problem-solving.

    ★ 5.032 ratingsUtilities$6.99Data updated 2026-10-05
  7. Margin/Selling/Cost Calculator app icon

    Margin/Selling/Cost Calculator

    Cristinel Bontas

    Calculate margin, price, and costs

    Calculate margin, selling price, or cost based on three variables. Determine markup and gross profit. Include tax calculations. Display results clearly. Free version includes ads.

    ★ 4.6274 ratingsBusinessFreeData updated 2026-09-08
  8. 11C Scientific Calculator app icon

    11C Scientific Calculator

    Vicinno Soft LLC

    Calculate with RPN and functions

    Perform complex calculations using RPN entry system. Access hyperbolic and inverse hyperbolic trig functions. Calculate probability, factorials, and percentages. Support absolute, integer, and fractional values. Generate random numbers.

    ★ 4.2298 ratingsUtilities$5.99Data updated 2026-09-08
  9. My Calculator - MyTools app icon

    My Calculator - MyTools

    iDaily Corp.

    Calculate, edit, and share equations

    Performs basic and scientific calculations. View and share calculation history. Switch between landscape and portrait modes. Choose from customizable themes to personalize the interface.

    ★ 4.7140 ratingsFinanceFreeData updated 2026-09-08
  10. Calc Pro HD - Top Calculator! app icon

    Calc Pro HD - Top Calculator!

    Panoramic Software Inc.

    Calculate, edit, and track financial data

    Perform complex calculations with 10 financial worksheets and 10 calculators. Switch between landscape and portrait modes. View results in decimal, fraction, or percentage formats. Save and recall previous calculations. Export data as text or PDF.

    ★ 4.7283 ratingsUtilities$7.99Data updated 2026-09-08
  11. ArcCalc app icon

    ArcCalc

    Roseller Sunga

    Calculate arc dimensions with two values

    Calculate arc dimensions including radius, length, width, height, apothem, angle, and area. Input any two values to derive the rest. Useful for carpenters, architects, and engineers. Supports complex mathematical calculations.

    ★ 4.8268 ratingsProductivityFreeData updated 2026-09-08
  12. Math Problem Solver ∞ app icon

    Math Problem Solver ∞

    An Truong

    Solve problems instantly

    Solve problems by scanning equations or handwritten input. Receive step-by-step solutions and detailed explanations. View graphs and additional information. Complete homework and track progress.

    ★ 4.741 ratingsEducationFreeData updated 2026-09-06
  13. Time Calculator × app icon

    Time Calculator ×

    DOUBLE U s.r.o.

    Calculate with precision and ease

    Perform -based calculations with addition, subtraction, multiplication, and division. Input and display in days, hours, minutes, and seconds. Customize format preferences. Convert between different units.

    ★ 4.7288 ratingsUtilitiesFreeData updated 2026-09-16

How we rank alternatives

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