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 281–300 of 1,000 ranked alternatives.

  1. M9 Scientific Calculator Graph app icon

    M9 Scientific Calculator Graph

    Himanshu Nag

    Edit equations, functions, calculate measurements

    Perform advanced calculations with formula editing and recalculation. Generate graphs for complex equations. Support for engineering and computations. Includes graphing capabilities for mathematical functions.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-25
  1. Pipe Flow Gas Pressure Drop app icon

    Pipe Flow Gas Pressure Drop

    Daxesoft Ltd

    Calculate loss with isothermal equations

    Calculate loss in gas pipelines using compressible isothermal equations. Input parameters to determine friction loss and fitting loss.

    ★ 4.711 ratingsUtilitiesFreeData updated 2026-09-06
  2. EduCalc app icon

    EduCalc

    William Jockusch

    Solve equations and graph functions

    Scientific calculator allows complex equation solving, graphing in portrait and landscape modes, and polynomial root finding up to 10th degree. Adjust font sizes and graph line widths. Solve systems of equations and matrices.

    ★ 4.734 ratingsEducationFreeData updated 2026-09-10
  3. Makeover - Custom CSS app icon

    Makeover - Custom CSS

    And a Dinosaur

    Edit web pages with code

    Edit web pages by injecting CSS and JavaScript. Modify layout, colors, and functionality. Save and apply changes to specific sites. Share code with others.

    ★ 4.212 ratingsUtilitiesFreeData updated 2026-09-06
  4. Calculate 84 AI app icon

    Calculate 84 AI

    Fredinax Tech LLC

    Solve equations and graph functions

    Solve mathematical equations with AI-powered step-by-step guidance. Graph functions and analyze results. Perform complex calculations and receive real-time explanations. Export solutions and share results. Sync with devices for continued use.

    ★ 4.626 ratingsEducationFreeData updated 2026-09-06
  5. Add A Bill app icon

    Add A Bill

    Satya Venkata Krishna Achanta

    Track expenses and share transactions

    Track expenses, money transfers, notes, and checklists. Create groups to share expenses and checklists. Customize privacy settings within groups. Change currency notation. Export personal and group data as needed.

    ★ 4.933 ratingsUtilitiesFreeData updated 2026-09-27
  6. Deck Help app icon

    Deck Help

    Armchair Engineering

    Calculate dimensions and material needs

    Calculate decking material needs by inputting dimensions. Determine bearer and joist lengths. Adjust measurements in mm, cm, inches, or feet. Choose decimal precision for accurate results.

    ★ 3.823 ratingsUtilities$2.99Data updated 2026-09-19
  7. ThreadKing app icon

    ThreadKing

    Motionics, LLC

    Calculate thread sizes and dimensions

    Provides drill and tap size charts for fractional, letter, and wire standards. It calculates drill sizes for cutting and forming taps based on thread percentage. It also computes RPM and feed rates for cutting taps in various materials.

    ★ 4.712 ratingsProductivityFreeData updated 2026-09-10
  8. Palm: Tiny Javascript app icon

    Palm: Tiny Javascript

    Phuoc Thanh Cao

    Write and run scripts on the go

    Write and run scripts on iOS devices. Edit files directly with a code editor. Use built-in functions like Promise, console, and fetch. View run logs and manage scripts in a simple interface.

    ★ 4.47 ratingsUtilitiesFreeData updated 2026-09-06
  9. RPN-65 Pro app icon

    RPN-65 Pro

    Willy Kunz

    Simulate HP-65 calculator on iPad

    Simulate a programmable calculator with magnetic card input. Run original HP-65 programs. View detailed manuals and technical specifications. Adjust calculator settings and interface layouts. Export calculations and program data.

    ★ 4.04 ratingsProductivity$3.99Data updated 2026-09-10

How we rank alternatives

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