O'der stack app icon

Apps Like O'der stack for iPhone and iPad

by ICT Fractal Inc.★ 0.00 ratingsProductivityFreeData updated 2026-09-06

O'der stack screenshots

Ranked alternatives

Showing 121–140 of 1,000 ranked alternatives.

  1. PocketCAS lite for Mathematics app icon

    PocketCAS lite for Mathematics

    Timing Software GmbH

    Solve math problems and graph functions

    Solve math problems from elementary to calculus and statistics. Graph functions, perform algebraic manipulations, and calculate statistical values. Export results and share solutions.

    ★ 4.7204 ratingsEducationFreeData updated 2026-09-08
  2. Amino Acid Quiz app icon

    Amino Acid Quiz

    Atlas Educational Software

    Acids and track progress

    Study and test knowledge of the 20 standard acids through customizable quizzes. Topics include names, structural formulas, 1-letter and 3-letter codes, codons, and side chain classes. Quizzes are available for free. Remove ads with an in- purchase.

    ★ 4.9971 ratingsEducationFreeData updated 2026-09-13
  1. 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
  2. Geometric Calculator X app icon

    Geometric Calculator X

    Yoshiaki Onishi

    Calculate area, volume, and perimeter of shapes

    The helps users find area, perimeter, and hypotenuse values for various shapes. It provides formulas for different figures. Users input dimensions and receive calculated results without needing to remember formulas or use trigonometry.

    ★ 2.01 ratingsEducation$1.99Data updated 2026-09-10
  3. 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
  4. 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
  5. Calculator + ƒ app icon

    Calculator + ƒ

    EDV & MEDIEN Gesellschaft fuer Datenverarbeitung mbH

    ★ 0.00 ratingsProductivity$4.99Data updated 2026-09-09
  6. TI-Nspire™ CAS app icon

    TI-Nspire™ CAS

    Texas Instruments

    Solve equations and graph functions

    Solve equations and perform algebraic manipulations. Graph functions and analyze data. Enter and analyze statistical models. Calculate derivatives and integrals. Export results and share solutions.

    ★ 4.6406 ratingsEducation$29.99Data updated 2026-09-08
  7. 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
  8. 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
  9. Calculator PanecalST app icon

    Calculator PanecalST

    Noriyasu Kutsuzawa

    Edit formulas, check calculations, reuse past entries

    Enter and edit mathematical formulas with real-time validation to prevent errors. Reuse past formulas to adjust values quickly. Navigate expressions using a cursor or arrow keys. Swipe to switch between calculation modes and view results instantly.

    ★ 4.895 ratingsUtilitiesFreeData updated 2026-09-08
  10. 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
  11. x36 app icon

    x36

    Carl Cook

    ★ 5.01 ratingsUtilities$0.99Data updated 2026-09-06
  12. 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 2026-09-06

How we rank alternatives

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