i41CX app icon

Apps Like i41CX for iPhone and iPad

Calculate with RPN and scientific functions

Perform complex calculations using RPN input. Access a wide range of scientific and programming functions. Customize skins and adjust key feedback settings. Input and edit equations with precise control. Save and retrieve programs for repeated use.

by Antonio Lagana★ 4.747 ratingsProductivity$7.99Data updated 2026-11-09

i41CX screenshots

Ranked alternatives

Showing 101–120 of 1,000 ranked alternatives.

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    Calculator Plus #1

    DigitAlchemy LLC

    Review calculations and track

    Plus allows users to perform basic math operations including addition, subtraction, division, multiplication, squaring, and square root. It features large buttons, clear numerals, and horizontal mode for additional controls.

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  1. Gymboss Interval Timer app icon

    Gymboss Interval Timer

    Gymboss LLC

    Programmable timer for any workout.

    The app allows users to create custom workout timers with unlimited intervals and up to 99 repeats. It offers visual, audible, and vibrate alarms, music access, and the ability to save programs to iCloud Drive.

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  2. Calculator 3 in 1 app icon

    Calculator 3 in 1

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    Calculations made simpler than ever before.

    The app offers three calculating modes: STANDARD, STRING, and RPN. It supports precision to 31 digits and complex numbers in STRING mode.

    ★ 2.45 ratingsUtilitiesFreeData updated 2026-10-06
  3. Calculator Pro Lite app icon

    Calculator Pro Lite

    Cider Software LLC

    Customize themes and buttons

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    ★ 4.63,075 ratingsUtilitiesFreeData updated 2026-09-08
  4. Pascal: 3-in-1 Calculator app icon

    Pascal: 3-in-1 Calculator

    Andrew Wei

    Calculate, graph, code with precision

    Perform complex calculations with scientific, graphing, and programmer modes. View graphs and equations. Use the Today widget for quick access. Unlock advanced features with in- purchases. Reinstall to reset trial periods.

    ★ 4.023 ratingsProductivityFreeData updated 2026-09-09
  5. All in One Calculator app icon

    All in One Calculator

    Ramon Rivas

    Calculate, edit, and track equations

    Allows users to perform basic and advanced mathematical operations. It includes a sidebar and tab bar for navigation and data sharing. Users can drag and drop entries to create new windows or use the context menu to generate new windows.

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  6. PowerOne calculator app icon

    PowerOne calculator

    Crafty Weasel, LLC

    Calculate, save, and share formulas

    Perform complex calculations with customizable formulas and equation solving. Save and reuse calculations. Convert units and manage multiple profiles. Export results and access advanced functions like matrix operations and statistical analysis.

    ★ 4.6803 ratingsUtilitiesFreeData updated 2026-09-11
  7. HP-35 app icon

    HP-35

    Enrique Haro

    ★ 5.05 ratingsUtilitiesFreeData updated 2026-09-06
  8. Calculator HD for iPad. app icon

    Calculator HD for iPad.

    良峰 侯

    Calculate, switch, and share results

    Perform calculations with basic and scientific modes. Switch between portrait and landscape views. Display calculation steps and use a voice-activated . Customize keyboard layout and choose from two skins.

    ★ 4.341 ratingsUtilitiesFreeData updated 2026-09-08
  9. Calculator XLt app icon

    Calculator XLt

    Gero Mazza

    Calculate, convert, and compare values

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  10. Calculator with History Tape app icon

    Calculator with History Tape

    帆 杨

    Calculate, record, and customize equations

    A a log of all calculations. Displays input equations and results clearly. Includes backspace function. Allows adjustable keyboard size and number font size. Supports customization of decimal places, font size for , and display format.

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  11. CALC 1 Programmable Calculator app icon

    CALC 1 Programmable Calculator

    Roger Carey

    Create calculators with AI-generated functions

    Customize calculators for precise calculations. Create function calculators using AI-generated JavaScript code. Add functions to the list and test them before use. Perform complex computations with formulas.

    ★ 4.69 ratingsUtilities$9.99Data updated 2026-09-17
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    Calculator Smart

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    Powerful and precise calculations for everyone.

    The app offers scientific and standard modes with over 30 scientific operations. It supports degrees and radians, parentheses, and output in decimal or scientific notation.

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    BA Financial Calculator

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    Calculate formulas and solve problems

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  14. PCalc app icon

    PCalc

    TLA Systems Ltd.

    Calculate, convert, and program with precision

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

    ★ 0.00 ratingsUtilities$4.99Data updated 2026-09-08

How we rank alternatives

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