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 301–320 of 1,000 ranked alternatives.

  1. Calculator⁷ app icon

    Calculator⁷

    Space-Time Transformation Technology Co., Ltd.

    Calculate, track, and save expenses

    Calculator lets users perform calculations with a clean interface and instant launch. View calculation history, use segmented input for faster entry, and switch between landscape and portrait modes. Customize keypress sounds and theme colors.

    ★ 4.614 ratingsFinanceFreeData updated 2026-09-06
  2. UniCount scientific calculator app icon

    UniCount scientific calculator

    DANIIL VOIDILOV, IE

    Calculate, store, and solve equations

    Solves math problems with support for multi-story fractions, powers, and roots. Calculates trigonometric functions and complex numbers. Stores expressions and answers. Switches between basic, , and fraction modes.

    ★ 4.914 ratingsUtilitiesFreeData updated 2026-09-10
  1. StemFox Scientific Calculator app icon

    StemFox Scientific Calculator

    Joshua Bryson

    Calculate and complete engineering tasks

    Perform complex calculations with a supporting trigonometry and Bessel functions. Access over 80 mathematical functions and quick references for basic operations. Solve equations efficiently for engineering tasks.

    ★ 4.811 ratingsUtilitiesFreeData updated 2026-09-15
  2. Construction Calc Pro app icon

    Construction Calc Pro

    Snappy Appz Inc.

    Construction computer for feet and inches.

    The app performs calculations in feet, inches, and fractional inches. It includes modules for material estimates, conversions, area and volume calculations, trigonometry, and stairwells.

    ★ 2.511 ratingsUtilities$13.99Data updated 2026-09-22
  3. Calculator : Scientific Calculator & converter app icon

    Calculator : Scientific Calculator & converter

    CAT VIET SOFTWARE DEVELOPMENT & MEDIA JSC

    Calculate with formulas and units

    Calculate using functions including sin, cos, tan, and their inverses. Convert units with 136 converters. Access daily updated currency exchange rates. Perform algebraic calculations with 800+ formulas. Switch between degrees, radians, and grads.

    ★ 5.03 ratingsUtilitiesFreeData updated 2026-09-13
  4. Calculator -Classic Calculator app icon

    Calculator -Classic Calculator

    云云 唐

    Calculate with sound and precision

    Classic performs addition, subtraction, multiplication, and division. It provides audio feedback for calculation results. Displays results instantly on the screen. Swiping down shows a history of previous calculations.

    ★ 4.48 ratingsProductivity$0.99Data updated 2026-09-16
  5. Quick Tip Calculator app icon

    Quick Tip Calculator

    Mike Hughes

    Calculate tips and split bills instantly

    Calculate tips and split bills by entering the total amount and selecting a tip percentage. View the tip and total instantly. Ideal for restaurants, cafes, and service settings.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  6. Machinist Journeyman app icon

    Machinist Journeyman

    James Rowe

    Manage tools, track projects, and organize workflows

    Perform machine shop calculations for diameters, angles, and threads. Convert between imperial and metric units. Access formulas for gear ratios and thread pitch. Store and retrieve frequently used values. Export results in printable format.

    ★ 4.319 ratingsBusiness$9.99Data updated 2026-10-14
  7. RPN-34 CE app icon

    RPN-34 CE

    Willy Kunz

    Simulate HP-34C calculator

    Simulate the HP-34C calculator with photo-realistic graphics. Perform integration and root finding calculations. Access extended functions and improved speed. Navigate using on-screen buttons and keyboard input. Save and recall values.

    ★ 5.014 ratingsProductivity$1.99Data updated 2026-09-16
  8. Calculator - Currency - Unit app icon

    Calculator - Currency - Unit

    hua-shan cheng

    Calculate, convert, and track values

    Scientific with and conversion capabilities. Perform complex calculations, convert currencies, and switch units. Review and reuse calculation history. Use landscape mode for efficient input and history viewing.

    ★ 5.04 ratingsUtilitiesFreeData updated 2026-09-06
  9. Unit Converter - Scientific app icon

    Unit Converter - Scientific

    Ahmet Burak Albayrak

    Convert units with precision

    Convert units across , engineering, and everyday categories. Perform calculations with built-in formulas. Save frequently used conversions. Toggle dark mode. Switch between languages. Provide feedback for improvements.

    ★ 5.016 ratingsUtilitiesFreeData updated 2026-09-06
  10. StylishCalculator: Cute Themes app icon

    StylishCalculator: Cute Themes

    Hikari Mano

    Customize designs and calculate efficiently

    Customize calculator appearance with wood grain, marble, floral, and other designs. Change icon for personalization. Perform basic math operations including addition, subtraction, multiplication, and division.

    ★ 4.817 ratingsLifestyleFreeData updated 2026-09-06
  11. CalcRx app icon

    CalcRx

    Dabbling Badger LLC

    Calculate prescriptions and track days supply

    Calculate prescription dispense quantities and billable days supply with specialized tools for tablets, capsules, liquids, and more. Input prescription directions to automatically determine dosing schedules and tapering regimens.

    ★ 4.715 ratingsMedicalFreeData updated 2026-09-10

How we rank alternatives

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