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 61–80 of 1,000 ranked alternatives.

  1. Magic Calculator app icon

    Magic Calculator

    Yann Armelin

    Type calculations like a text editor.

    The app allows users to type calculations line by line like a text editor. Results update instantly as values or formulas change, making calculations visible and structured.

    ★ 0.00 ratingsProductivity$3.99Data updated 2026-09-17
  2. GraphNCalc83 app icon

    GraphNCalc83

    Ernest Brock

    Calculate, graph, and edit math problems

    Solve math problems with natural textbook input and fraction support. Trace graphs with touch. Zoom using pinch gestures. Tap for regression analysis. Swipe to scroll through calculation history and matrices. Access help via the ? key.

    ★ 4.94,041 ratingsEducation$12.99Data updated 2026-11-02
  1. Documents app icon

    Documents

    Savy Soda Pty Ltd

    Edit, share, and manage

    Manage and edit spreadsheets, , and files directly on iPhone and iPad. Organize files with a file manager, create and edit text , and sync with iCloud. Access features like document sharing and cloud storage integration.

    ★ 4.54,505 ratingsBusiness$4.99Data updated 2026-10-30
  2. Retro 15C app icon

    Retro 15C

    Greg Hewgill

    Calculate complex numbers and matrices

    Perform complex number calculations and trigonometric functions. Handle matrix operations and numerical root finding. Calculate integrals and statistical values including linear regression. Write and execute custom programs. No ads or in- purchases.

    ★ 4.3228 ratingsUtilitiesFreeData updated 2026-09-08
  3. FormulaBar app icon

    FormulaBar

    Lars Hansen

    Store formulas, constants, and equations offline

    A formula collection with 18 pages of tables, formulas, figures, and explanations. Includes mathematics, geometry, mechanics, physics, and constants. Features calculation tools for 8 formulas. Available offline. Used for learning and reference.

    ★ 0.00 ratingsEducation$0.99Data updated 2026-09-08
  4. GO-21 SciRPN app icon

    GO-21 SciRPN

    Steve Lidie

    Calculate using RPN and stack registers

    Simulates a retro scientific calculator with RPN input. Features a 10-digit LED display, four stack registers, and a storage register. Includes math, trigonometric, and logarithmic functions. Displays results in polar/rectangular formats.

    ★ 4.913 ratingsUtilities$2.99Data updated 2026-09-08
  5. Trigonometry Help Lite app icon

    Trigonometry Help Lite

    Armchair Engineering

    Solve right-angled triangles

    Solve right-angled triangles by inputting known sides or angles. View step-by-step calculations and a scale drawing of the triangle. Access basic formulae. Enter angles in radians, decimal degrees, or degrees, minutes, seconds.

    ★ 4.7775 ratingsEducationFreeData updated 2026-09-18
  6. MaPhET app icon

    MaPhET

    Jens-Peter Bardt

    ★ 0.00 ratingsEducation$1.99Data updated 2026-09-06
  7. Calculator! app icon

    Calculator!

    7th Gear

    Calculate, customize, and solve equations

    Calculator lets users perform basic and scientific calculations with over 30 functions. Switch between portrait and landscape modes. Customize leather color and background texture on iPad. Take notes or draw directly on the interface.

    ★ 4.84,275 ratingsUtilities$0.99Data updated 2026-10-13
  8. Scientific Calculator Elite app icon

    Scientific Calculator Elite

    Cyberprodigy LLC

    Calculate with fractions and units

    ™ allows users to perform fraction calculations and convert between decimals and fractions. It supports degree, minute, and second conversions. Users can handle unit conversions and calculations with dimensional units.

    ★ 4.853 ratingsUtilities$4.99Data updated 2026-09-08
  9. Simple Calculator - iCalc app icon

    Simple Calculator - iCalc

    Takao Ichimura

    Calculate, edit, and track expressions

    Perform arithmetic, root, and constant calculations. View calculation history and formulas. Access an information page for instructions and details.

    ★ 4.928 ratingsUtilitiesFreeData updated 2026-09-06
  10. Calculator Smart app icon

    Calculator Smart

    Miroslav Otsedarski

    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.

    ★ 4.7496 ratingsUtilitiesFreeData updated 2026-10-19
  11. BA Financial Calculator Plus app icon

    BA Financial Calculator Plus

    RAY INFORMATICS YAZILIM TEKNOLOJI MEDYA DANISMANLIK VE EGITIM TICARET LIMITED SIRKETI

    Calculate loans, budgets, and investments

    Calculate metrics with time value of money tools including future value, present value, interest rate, and period. Use scientific notation in calculations. View data visualizations and generate reports. Access formulae and examples for each .

    ★ 4.5145 ratingsFinanceFreeData updated 2026-09-11
  12. Calculator Pro Lite app icon

    Calculator Pro Lite

    Cider Software LLC

    Customize themes and buttons

    Customize appearance with themes, button shapes, and colors. Choose from six layouts and control all visual elements. View input and result simultaneously on dual-line display. Adjust settings for precise calculations.

    ★ 4.63,075 ratingsUtilitiesFreeData updated 2026-09-08
  13. CalcKit app icon

    CalcKit

    Akkyra Systems

    Create personalized calculators with custom formulas.

    The app allows users to design calculators with custom formulas and input labels. Users can create an unlimited number of personalized calculators for various needs.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-11
  14. Math Assist+ app icon

    Math Assist+

    Creative Mindset Software, LLC

    Access tables and calculus references

    Reference "Access and calculus tables with explanatory visuals. Pinch to zoom graphs and formulas. View detailed information with low power usage. Covers first-year topics."

    ★ 4.84 ratingsReference$0.99Data updated 2026-09-08

How we rank alternatives

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