Key Calculator app icon

Apps Like Key Calculator for iPhone and iPad

by 瑞勤 李★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06

Ranked alternatives

Showing 21–40 of 1,000 ranked alternatives.

  1. Calculator Plus #1 app icon

    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.

    ★ 4.85,043 ratingsUtilitiesFreeData updated 2026-09-08
  2. Taculator 84 Graphing Calc app icon

    Taculator 84 Graphing Calc

    Di Venisco UG (haftungsbeschrankt)

    Graph functions and solve equations

    Solve math problems with capabilities. Input equations, view function graphs, and analyze statistical data. Perform calculations in algebra, calculus, and statistics. Navigate using arrow keys or touch gestures.

    ★ 4.57,571 ratingsEducationFreeData updated 2026-09-17
  1. Calcbot 2 app icon

    Calcbot 2

    Tapbots

    Review calculations and send them back

    Lets users perform calculations and convert units with an easy-to-read history tape and expression view. Save and reuse previous calculations. Convert between units intuitively. Sync with Apple Watch for on-the-go use.

    ★ 4.711,113 ratingsUtilitiesFreeData updated 2026-09-08
  2. Calculator X: Math for iPad app icon

    Calculator X: Math for iPad

    Otrofy Inc.

    Calculate, edit, and track expenses

    Edit equations during calculations. Save, copy, and share calculation history. Access memory for last calculations. Use dark mode. Support drag and drop. Enable split view for . Perform basic calculations on iPhone and Apple Watch.

    ★ 4.66,239 ratingsFinanceFreeData updated 2026-09-12
  3. Calculator ∞ app icon

    Calculator ∞

    An Truong

    Calculate, graph, and solve equations

    Solve equations, perform algebraic calculations, and graph functions. Support for multiple models including TI-83, TI-84, TI-89, Casio FX, and Sharp EL. Includes a scientific , fraction simplifier, and unit converter.

    ★ 4.76,346 ratingsEducation$5.99Data updated 2026-09-17
  4. Calculator C - Snappy History app icon

    Calculator C - Snappy History

    DIGITALNAUTS INC.

    Calculate, adjust, share, and track

    Allows users to adjust button positions and view formulas and calculation . It aggregates results and enables sharing of calculations and with other apps and social media. Users can copy results and to the clipboard for easy access.

    ★ 4.442 ratingsUtilitiesFreeData updated 2026-09-11
  5. Ncalc - Graphing Calculator 84 app icon

    Ncalc - Graphing Calculator 84

    Tran Duy

    Graph functions and trace curves

    Allows users to plot functions, polar, and parametric graphs. Users can edit equations in the graph editor and view graphs. Features include tracing, finding intersections and extrema, displaying derivatives, and adding tangents.

    ★ 4.64,713 ratingsEducationFreeData updated 2026-09-06
  6. Tydlig app icon

    Tydlig

    Tydlig Software AB

    Calculate with clarity and precision

    Perform calculations with a freeform canvas and responsive results. Link numbers for instant updates. Calculate tips and discounts. View full history with clear formatting. Adjust settings for precision and layout.

    ★ 4.82,625 ratingsUtilities$1.99Data updated 2026-09-08
  7. Conversion Calculator Plus app icon

    Conversion Calculator Plus

    Yan Liong Tan

    Convert units and currencies instantly

    Convert units across multiple categories including currency, length, area, weight, and more. Switch between simple and carousel layouts. Automatically update currency exchange rates daily. Search for units from the home screen.

    ★ 4.715,182 ratingsProductivityFreeData updated 2026-09-11
  8. CalcQX ~ the calculator app icon

    CalcQX ~ the calculator

    CodeQX

    Calculate and verify results instantly

    Perform basic arithmetic operations, percentage calculations, and unit conversions. Switch between standard and engineering modes for advanced scientific functions. Adjust display settings and access history for repeated calculations.

    ★ 4.52 ratingsUtilities$0.99Data updated 2026-09-08
  9. QuickGrader app icon

    QuickGrader

    Lance Kimbrough

    Calculate grades in seconds easily.

    The app offers customizable grading options including half-point values, adjustable grade scales, and pass/fail options. It features dark and light modes and prevents screen dimming for uninterrupted grading.

    ★ 4.95,358 ratingsEducationFreeData updated 2026-09-16
  10. Score Anything – Scorekeeper app icon

    Score Anything – Scorekeeper

    Ilya Panchenko

    Track scores with a single touch

    Track scores for board games, card games, and sports with real-time updates. Add players, customize categories, and save game sessions. Share scores via email or social media. Supports dice rolls and turn tracking. Syncs across devices.

    ★ 4.9739 ratingsUtilitiesFreeData updated 2026-09-06
  11. RECalc Mortgage Calculator app icon

    RECalc Mortgage Calculator

    3magic

    Calculate loans and perform math operations

    Calculate monthly payments, loan terms, and interest rates. Perform standard math operations. Adjust variables to recalculate other values. Supports semi-annual compounding for Canadian amortization.

    ★ 4.72,806 ratingsFinanceFreeData updated 2026-09-08
  12. Simple Calculator. app icon

    Simple Calculator.

    tasser gyati

    Calculate with real-world logic

    Perform calculations with a running total and real-world logic. Handle cost, sell, and margin computations. Add or subtract percentages in one step. Features large buttons and a clear display for easy use.

    ★ 4.61,606 ratingsUtilitiesFreeData updated 2026-09-14

How we rank alternatives

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