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 301–320 of 1,000 ranked alternatives.

  1. iGradient app icon

    iGradient

    Ivan Perre

    Find any 2D angle precisely.

    The app detects the device's orientation to find any 2D angle. It measures angles in degrees, radians, or as a gradient, holding the measurement for easy reading.

    ★ 4.37 ratingsUtilities$2.99Data updated 2026-09-28
  2. Machinist Journeyman app icon

    Machinist Journeyman

    James Rowe

    Manage tools, track projects, and organize workflows

    Perform machine shop calculations for diameters, angles, and threads. Convert between imperial and metric units. Access formulas for gear ratios and thread pitch. Store and retrieve frequently used values. Export results in printable format.

    ★ 4.319 ratingsBusiness$9.99Data updated 2026-11-02
  1. aspect:ratio app icon

    aspect:ratio

    manolo Sanudo

    Calculate any ratio quickly and easily.

    The app calculates ratios by accepting a base ratio or preset. Users input width or height, and the app computes the other dimension.

    ★ 3.45 ratingsUtilitiesFreeData updated 2026-10-19
  2. TV Widget + app icon

    TV Widget +

    Michael Imperato

    Calculate TV size, distance, and angle

    Calculate screen size based on viewing distance. Determine optimal viewing angle for comfort. Adjust settings to explore different scenarios and visualize TV placement.

    ★ 4.517 ratingsUtilities$0.99Data updated 2026-09-09
  3. 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
  4. Construction Calc Pro app icon

    Construction Calc Pro

    Snappy Appz Inc.

    Construction computer for feet and inches.

    The app performs calculations in feet, inches, and fractional inches. It includes modules for material estimates, conversions, area and volume calculations, trigonometry, and stairwells.

    ★ 2.511 ratingsUtilities$13.99Data updated 2026-09-22
  5. Lomanco Vent Tools app icon

    Lomanco Vent Tools

    Lomanco, Inc.

    Calculate vents, share results, find options

    Calculate attic ventilation needs by inputting roof dimensions and pitch. Select intake and exhaust types. Access soffit panel specifications and whirlybird base pitch guidelines.

    ★ 4.511 ratingsReferenceFreeData updated 2026-09-10
  6. DoF Calculator app icon

    DoF Calculator

    永晓 邵

    Calculate depth of field and hyperfocal distance

    Calculate depth of field by selecting frame size, aperture, focal length, and focusing distance. Determine foreground and background depth. Automatically compute hyperfocal distance. Adjust diffuse circle diameter for print size requirements.

    ★ 4.721 ratingsPhoto & VideoFreeData updated 2026-09-06
  7. Measure Tape Lite app icon

    Measure Tape Lite

    JI YAO WENG

    Measure height width distance easily.

    The app measures height, width, or distance using the device's camera. Users find an object on screen and read the calculated measurement.

    ★ 1.112 ratingsUtilitiesFreeData updated 2026-10-13
  8. Gas Pipe Sizing Calculator app icon

    Gas Pipe Sizing Calculator

    Connor Kelley

    Calculate gas size based on BTU, length,

    Calculate gas size based on BTU load, length, and gas type (LP or Natural). Input values and select gas type to determine minimum size. Output result for immediate use.

    ★ 4.04 ratingsUtilities$1.99Data updated 2026-09-08
  9. Structural Engineering Calc. app icon

    Structural Engineering Calc.

    V PUGAZHENTHI

    Calculate parameters and units

    Calculator provides tools for calculations. Users can compute shear capacity, critical ratio, effective length factor, slenderness ratio, and allowable compressive stress for columns. Available in imperial and metric units.

    ★ 4.520 ratingsProductivity$5.99Data updated 2026-09-08
  10. AR Ruler Cam: Tape Measure app icon

    AR Ruler Cam: Tape Measure

    Everyday Tools OOO

    Measure anything anywhere with AR.

    The app provides AR ruler functionality for measuring length, width, and height. It calculates area and distances between points, and users can save measurements and customize ruler designs.

    ★ 3.88 ratingsUtilitiesFreeData updated 2026-10-30
  11. Bluetooth Terminal app icon

    Bluetooth Terminal

    Lukas Pistrol

    Send and receive data

    LE allows users to send bytes as ASCII, HEX, or Decimal values. It displays device services, characteristics, and their values. Users can view device name, UUID, and RSSI readings. Data transfers can be tested without a custom .

    ★ 3.318 ratingsDeveloper ToolsFreeData updated 2026-09-10
  12. Spike by ikeGPS app icon

    Spike by ikeGPS

    ikeGPS, Inc.

    Measure objects with a photo

    Measure objects by taking a photo with a smartphone or tablet. Capture real-time dimensions like height, width, area, and length. Share measurements via Cloud. Sync with laser device for accurate data. Export measurements in various formats.

    ★ 3.915 ratingsUtilitiesFreeData updated 2026-09-09
  13. QuickCalc - Quick calculations app icon

    QuickCalc - Quick calculations

    琦 王

    Practice arithmetic operations and fractions

    Practice arithmetic operations including addition, subtraction, multiplication, and division with numbers up to 1000. Solve mixed problems tailored to different grade levels. Work with fractions and decimals.

    ★ 4.716 ratingsEducationFreeData updated 2026-09-11
  14. Quick Converter Pro app icon

    Quick Converter Pro

    Exeersoft Inc

    Convert units and currencies instantly

    Convert units across 180+ categories including angles, areas, cooking units, weight, clothing, and shoes. Convert 180+ currencies and digital currencies like Bitcoin and Doge. Enter values and get instant conversion results.

    ★ 4.018 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

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