ThetaCalc app icon

Apps Like ThetaCalc for iPhone and iPad

by Felix Stehli★ 4.24 ratingsUtilitiesFreeData updated 2026-09-28

ThetaCalc screenshots

Ranked alternatives

Showing 61–80 of 1,000 ranked alternatives.

  1. 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
  2. Calculator with History Tape app icon

    Calculator with History Tape

    帆 杨

    Calculate, record, and customize equations

    A a log of all calculations. Displays input equations and results clearly. Includes backspace function. Allows adjustable keyboard size and number font size. Supports customization of decimal places, font size for , and display format.

    ★ 4.73,210 ratingsProductivityFreeData updated 2026-09-17
  3. Complex RPN Calculator app icon

    Complex RPN Calculator

    John Coddington

    Scientific RPN calculator with complex numbers.

    The app is a scientific RPN calculator. It has a four-level stack and complex numbers as its native number type.

    ★ 3.924 ratingsUtilitiesFreeData updated 2026-09-10
  1. Panecal Scientific Calculator app icon

    Panecal Scientific Calculator

    Noriyasu Kutsuzawa

    Enter formulas and check calculations

    Is a that lets users input and edit formulas with a live display. It supports formula reuse, variable memory, and cursor navigation for precise editing. Users can check formulas for errors and adjust values efficiently.

    ★ 4.81,952 ratingsUtilitiesFreeData updated 2026-09-08
  2. 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
  3. Globe Suite app icon

    Globe Suite

    Globe Electric Company Inc

    Control smart home devices remotely

    Control smart home devices including LED bulbs, plugs, cameras, and sensors through a single . Adjust settings, receive alerts, and monitor activity remotely. Manage multiple devices without a hub.

    ★ 4.45,075 ratingsLifestyleFreeData updated 2026-09-15
  4. Plus42 app icon

    Plus42

    Thomas Okken

    Calculate, program, and solve equations

    Perform complex calculations using algebraic expressions and programmable functions. Support unit conversions and attached units. Save and recall variables. Run scripts and access a comprehensive mathematical library. Export results and history.

    ★ 4.979 ratingsUtilities$9.99Data updated 2026-10-22
  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.

    ★ 4.65,015 ratingsEducationFreeData updated 2026-09-24
  6. Calculator RPN app icon

    Calculator RPN

    Benjamin Pisano

    Calculate with RPN and scientific functions

    Perform complex calculations with scientific functions and RPN mode for efficient input. Access 54 math functions including logarithms, square roots, factorials, trigonometry, and coordinate conversions.

    ★ 4.748 ratingsUtilities$4.99Data updated 2026-09-08
  7. Quick Graph app icon

    Quick Graph

    KZ Labs SAS

    , solve, and visualize equations

    Enter and edit equations in mathematical notation. Visualize 2D and 3D graphs of explicit, implicit, and inequality equations. Adjust settings for display and analysis. Save and share calculations.

    ★ 4.6420 ratingsEducationFreeData updated 2026-09-08
  8. PowerOne calculator app icon

    PowerOne calculator

    Crafty Weasel, LLC

    Calculate, save, and share formulas

    Perform complex calculations with customizable formulas and equation solving. Save and reuse calculations. Convert units and manage multiple profiles. Export results and access advanced functions like matrix operations and statistical analysis.

    ★ 4.6803 ratingsUtilitiesFreeData updated 2026-09-11
  9. Financial Calculator + app icon

    Financial Calculator +

    Panoramic Software Inc.

    Calculate loans, track investments, plan retirement

    Calculate mortgage payments and generate amortization tables. Compute tips and loan details. Analyze time value of money, dates, percentage changes, and break-even points. Perform planning for home purchases, investments, and retirement.

    ★ 4.77 ratingsUtilities$1.99Data updated 2026-09-08
  10. FP Scientific&Basic Calculator app icon

    FP Scientific&Basic Calculator

    Ofly Tech Co., Ltd.

    Calculate, convert, and solve equations

    FP performs basic arithmetic, currency conversions, and unit conversions. Users can switch between dark and light modes. Split-screen mode is available on iPad.

    ★ 4.6654 ratingsUtilitiesFreeData updated 2026-09-06
  11. Calculator XL app icon

    Calculator XL

    Luke Campbell

    Calculate, save, and exit with memory

    Provides basic arithmetic operations, memory storage and recall, and support for multiple orientations. Users can perform calculations, save results, and switch between portrait and landscape modes.

    ★ 4.53,151 ratingsUtilitiesFreeData updated 2026-09-08
  12. Calculator⁻ app icon

    Calculator⁻

    Unicom TOV

    Calculate, record, and recall results

    Perform basic math operations including addition, subtraction, multiplication, division, and percentage. Store and retrieve calculation results. Customize number, operator, parenthesis, and result colors. Enable touch sound for feedback.

    ★ 4.43,607 ratingsUtilitiesFreeData updated 2026-09-14
  13. Visual Math 4D app icon

    Visual Math 4D

    Ronny Weidemann

    Solve equations and visualize graphs

    Solve mathematical equations and visualize results in 2D and 3D. Plot cartesian, polar, spherical, and parametric functions. Animate equations and vector fields. Find intersections of functions. Support for complex functions.

    ★ 4.6872 ratingsEducation$1.99Data updated 2026-09-08

How we rank alternatives

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