Rafter Help app icon

Apps Like Rafter Help for iPhone and iPad

Calculate roof pitch and length

Calculate length and associated values for gable roofs. Input room width and ridge height to determine pitch, lengths, and ridge height. Use advanced options to enter pitch in radians, degrees, DMS, or rise/run.

by Armchair Engineering★ 4.5213 ratingsUtilities$1.99Data updated 2026-09-10

Rafter Help screenshots

Ranked alternatives

Showing 561–580 of 1,000 ranked alternatives.

  1. Geoid Calculator app icon

    Geoid Calculator

    Joshua Manson

    Calculate undulation with GPS coordinates

    Calculate undulation using the EGM96 dataset. Input GPS coordinates to determine elevation differences between Mean Sea Level and WGS84 ellipsoid. Export results for further analysis.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  2. Ruler Professional app icon

    Ruler Professional

    KBIC International Limited

    Measure length in cm or inches

    Convert physical objects into measurements using a function. Adjust two red lines to measure distances in centimeters or inches. Display measurements instantly on the screen.

    ★ 3.33 ratingsUtilitiesFreeData updated 2026-09-08
  3. Datum app icon

    Datum

    John Diamond

    ★ 5.03 ratingsUtilities$2.99Data updated 2026-09-06
  1. Timer 555 Calculator Pro app icon

    Timer 555 Calculator Pro

    Siu Yuen Ho

    Calculate monostable and astable circuits.

    The app calculates monostable and astable circuits. It finds component combinations for desired pulse width or frequency.

    ★ 4.73 ratingsUtilities$0.99Data updated 2026-10-29
  2. Geometry Calculator Solver app icon

    Geometry Calculator Solver

    Cristina Munoz Castillo

    Solve problems and calculate angles

    Calculate area, perimeter, and angles for various shapes including right-angled triangles, squares, equilateral triangles, circles, isosceles triangles, ellipses, and scalene triangles.

    ★ 3.01 ratingsEducationFreeData updated 2026-09-06
  3. Oak Ridge Utility District app icon

    Oak Ridge Utility District

    Central Service Association

    Pay bills, view history, track usage

    View and pay bills with transaction history. Access usage data in graphical format. Manage payment schedules and notifications. Set up automatic payments and receive alerts.

    ★ 5.02 ratingsUtilitiesFreeData updated 2026-09-06
  4. Bit Fiddle app icon

    Bit Fiddle

    Tobias Stamm

    Precise conversions for development tasks.

    The app converts between binary, hexadecimal, and decimal values. It supports fixed and arbitrary bit widths, one’s and two’s complement, and ASCII representations.

    ★ 0.00 ratingsDeveloper ToolsFreeData updated 2026-10-17
  5. EngineCalc app icon

    EngineCalc

    iTrinity, Inc.

    Calculate engine specs on the go

    Provides tools for calculating engine-related metrics. Users can compute actual volume flow, air density, BHP loss, compression height, compression ratio, corrected BHP, and cylinder displacement.

    ★ 2.33 ratingsUtilities$0.99Data updated 2026-09-08
  6. Usako Calc app icon

    Usako Calc

    Tatsuo Sugama

    Usako writes calculations on paper.

    Usako Calc is a calculator application featuring the character Usako. Usako writes on paper to perform addition, subtraction, multiplication, and division of decimal and negative numbers.

    ★ 5.03 ratingsUtilitiesFreeData updated 2026-09-28
  7. Multiple Counters - Count App app icon

    Multiple Counters - Count App

    FugaPiyo Inc.

    Items, manage lists, track inventory

    Manage with unlimited folders. up or down by tapping. Customize sound settings for plus/minus actions. Enable voice reading with male or female voices. Use haptic feedback for tactile responses. Adjust tap range width and list background color.

    ★ 4.73 ratingsBusinessFreeData updated 2026-09-06
  8. Field Tools (Depth of Field) app icon

    Field Tools (Depth of Field)

    Evgeny EGOROV

    Depth of field calculator for photographers.

    The app calculates hyperfocal, near focus, and far focus distances. Users can adjust focal length, aperture, and focus distance using sliders.

    ★ 4.01 ratingsPhoto & Video$0.99Data updated 2026-10-15
  9. Dev Calc Pro (Hex Dec Oct Bin) app icon

    Dev Calc Pro (Hex Dec Oct Bin)

    DAI WEIJIE

    Convert between number bases easily.

    The app displays binary, octal, decimal, and hexadecimal numbers on one screen. It also shows color hex codes and RGB values simultaneously.

    ★ 3.52 ratingsEducation$2.99Data updated 2026-10-13
  10. GB Gas Purging Calculator app icon

    GB Gas Purging Calculator

    George A Brown

    Calculate domestic gas purging volumes easily.

    The app calculates gas purging volumes for domestic installers working on pipes up to 35mm or 1 1/4" and meters up to 16 m3/hr. It determines the required purge procedure type based on user inputs for pipe lengths and meter type.

    ★ 0.00 ratingsBusiness$4.99Data updated 2026-09-18
  11. EZ Living Room+ app icon

    EZ Living Room+

    Microcad Software S.L.

    Design rooms and insert items in front

    Design a room by placing furniture, cabinets, and accessories on walls. Choose materials, colors, and finishes. Save designs locally or email as PDF.

    ★ 1.02 ratingsProductivityFreeData updated 2026-09-09

How we rank alternatives

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