O'der stack app icon

Apps Like O'der stack for iPhone and iPad

by ICT Fractal Inc.★ 0.00 ratingsProductivityFreeData updated 2026-09-17

O'der stack screenshots

Ranked alternatives

Showing 121–140 of 1,000 ranked alternatives.

  1. Halcyon Calc app icon

    Halcyon Calc

    Halcyon Touch Software

    Calculate and solve equations

    Perform complex calculations with support for real and complex numbers. Manipulate symbolic expressions and use over 225 built-in functions. Scroll through results with finger gestures. Copy and paste data for easy sharing.

    ★ 4.918 ratingsUtilities$4.99Data updated 2026-09-08
  2. Converter and Calculator app icon

    Converter and Calculator

    Cider Software LLC

    Convert units and currencies instantly

    A and unit/currency with a clean interface. Convert between 500 units across 29 categories and 161 currencies. Customize colors and display selected units. Enter values to instantly convert between units.

    ★ 4.7267 ratingsUtilities$2.99Data updated 2026-09-08
  1. Calculator - Unit Converter app icon

    Calculator - Unit Converter

    TOWER OF HANOI SOFTWARE COMPANY LIMITED

    Calculate and convert units

    Perform basic and advanced calculations including addition, subtraction, multiplication, division, and exponents. Convert units between degrees, radians, and grads. Switch between standard and scientific modes.

    ★ 4.6393 ratingsUtilitiesFreeData 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
  3. Calculator + ƒ app icon

    Calculator + ƒ

    EDV & MEDIEN Gesellschaft fuer Datenverarbeitung mbH

    ★ 0.00 ratingsProductivity$4.99Data updated 2026-09-09
  4. Chemistry Formula Practice Free app icon

    Chemistry Formula Practice Free

    Carolina Biological Supply

    Formulas and track progress

    Naming and writing formulas for ionic and molecular compounds, acids, bases, polyatomic ions, hydrocarbons, and organic functional groups. Choose between -to-name or name-to- exercises. Track progress and repeat exercises for reinforcement.

    ★ 1.17 ratingsEducationFreeData updated 2026-09-08
  5. Schoolovo app icon

    Schoolovo

    Jakub Klementewicz

    Solve math problems step by step

    Solve math problems step-by-step with detailed explanations. Input equations to see solutions. Learn algebra, functions, fractions, and graphs. Verify answers and track progress. Supports multiple math topics including linear and quadratic functions.

    ★ 4.8727 ratingsEducationFreeData updated 2026-09-06
  6. Good Grapher - scientific graphing calculator app icon

    Good Grapher - scientific graphing calculator

    Iurii Mozharovskyi

    Graph functions and solve equations

    With history tape, real and complex number support, angle modes including radians and degrees. Features constants, unit conversions, and capabilities for equations and functions.

    ★ 4.6122 ratingsEducationFreeData updated 2026-09-08
  7. Physics++ app icon

    Physics++

    Dominik Hauser

    Physics formulas for science students.

    The app provides over 120 physics formulas covering mechanics, relativity, fluid mechanics, thermodynamics, and electrodynamics. It includes a search function, units, constants, and calculators for many formulas to assist with calculations.

    ★ 3.98 ratingsEducation$0.99Data updated 2026-09-11
  8. GO-25 SciRPN app icon

    GO-25 SciRPN

    Steve Lidie

    Calculate with RPN and stack registers

    Simulates a programmable scientific calculator with RPN input. Features a 10-digit LED display, four stack registers, and ten storage registers. Includes math, trigonometric, and statistical functions.

    ★ 4.723 ratingsUtilities$4.99Data updated 2026-09-08
  9. RPN Calculus app icon

    RPN Calculus

    Thomas Braun

    Scientific RPN calculator for iPad.

    The app performs calculations with up to 15 digits of precision and supports a number range from -1E127 to 1E127. It includes a database of over 120 scientific constants that users can extend.

    ★ 4.01 ratingsUtilities$1.99Data updated 2026-09-14
  10. Byte Calculator -byte conv- app icon

    Byte Calculator -byte conv-

    TAS Company Limited.

    Convert bytes to KB, MB, GB, TB

    Calculate bytes and convert between B, KB, MB, GB, and TB. Display results with appropriate thousands separators and decimal points based on language settings. Perform memory calculations, square roots, and percentage operations.

    ★ 5.02 ratingsUtilitiesFreeData updated 2026-09-17

How we rank alternatives

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