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
  1. calculatorX2 app icon

    calculatorX2

    Gianluca Natalini

    Scientific calculator with Direct Algebraic Logic.

    The app is a scientific calculator using Direct Algebraic Logic. It automatically accounts for operator precedence, allowing formulas to be entered as written.

    ★ 0.00 ratingsUtilities$0.99Data updated 2026-09-29
  2. 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
  3. Calculator + ƒ app icon

    Calculator + ƒ

    EDV & MEDIEN Gesellschaft fuer Datenverarbeitung mbH

    Powerful extensible calculator for OS X.

    The app accepts natural formula notation for calculations. Users can define their own formulas and access a history log for verification and reuse of recent calculations.

    ★ 0.00 ratingsProductivity$4.99Data updated 2026-11-02
  4. 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
  5. 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
  6. JSCalculator app icon

    JSCalculator

    Ivan Biaggio

    Evaluate input as it is typed.

    This app evaluates user input as it is typed, eliminating the need for an equals key. It allows users to enter formulas and multi-step expressions with intermediate variables, and stores all entered formulas for later reuse.

    ★ 5.02 ratingsProductivity$0.99Data updated 2026-09-20
  7. 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
  8. 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
  9. 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
  10. EZ Calculator 2021 app icon

    EZ Calculator 2021

    Corntree tech Co.Ltd

    Calculate, edit, and track numbers

    Allows users to perform basic and scientific calculations. It supports arithmetic operations, square roots, percentages, and trigonometric functions. Users can edit expressions with a movable cursor and view calculation history.

    ★ 4.8230 ratingsUtilitiesFreeData updated 2026-09-06
  11. Math Expert Pro app icon

    Math Expert Pro

    Markus Ide

    Mathematics and physics formulas calculated.

    The app provides a collection of mathematics and physics formulas. It calculates formulas based on user-provided information to determine possible calculations.

    ★ 0.00 ratingsEducation$2.99Data updated 2026-10-12
  12. GrowFlux app icon

    GrowFlux

    GrowFlux Inc.

    Monitor and control greenhouse lights

    Monitor greenhouse conditions with sensor data. Create and manage light formulas with up to 7 timed set points. Zone up to 1,000 lights and control their settings. Manage access points for system control.

    ★ 4.06 ratingsUtilitiesFreeData updated 2026-09-16

How we rank alternatives

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