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 481–500 of 1,000 ranked alternatives.

  1. Lateral Pipe Calculator app icon

    Lateral Pipe Calculator

    Kevin Morneault

    Calculate piping connections for fabricators.

    The app calculates piping connections for pipefitters, welders, and fabricators. It provides outputs in fractions or decimals, with options for 8, 16, 32, or 64 ordinate lines for template creation.

    ★ 4.36 ratingsProductivity$4.99Data updated 2026-11-08
  2. DPC Tools app icon

    DPC Tools

    Diamond Plastics Corporation

    Calculate buoyancy and external load

    Buoyancy Calculator determines buoyancy force of PVC pipe during construction and post-installation. Users select pipe type from dropdowns, input specific gravity, and calculate buoyancy. Results can be printed.

    ★ 3.45 ratingsUtilitiesFreeData updated 2026-09-20
  1. Pipe Flow Liquid Flow Rate app icon

    Pipe Flow Liquid Flow Rate

    Daxesoft Ltd

    Calculate with pressure loss data

    Calculate fluid in pipes using the Darcy-Weisbach equation and Colebrook-White friction factors. Input pressure loss, diameter, and length to determine . Account for friction and fitting losses with K values. Export results and save calculations.

    ★ 4.85 ratingsUtilitiesFreeData updated 2026-09-06
  2. Base Converter Simple app icon

    Base Converter Simple

    Pierluigi Solimena

    Convert numbers between decimal, binary, hexadecimal,

    Convert numbers between decimal, binary, hexadecimal, and octal systems. Input integers from 0 to 2^31-1. Perform conversions in both directions. Display results in selected number formats.

    ★ 4.33 ratingsEducationFreeData updated 2026-09-13
  3. A Sales Tax Calculator app icon

    A Sales Tax Calculator

    Rooster Glue, Inc.

    Calculate tax, apply discounts, and get total

    Calculate tax and discounts in real time as values are entered. Determine subtotal and total price. Reverse calculate original price from final total. Displays formatted financial results.

    ★ 3.73 ratingsUtilitiesFreeData updated 2026-09-10
  4. Pipe Working Pressure Calc app icon

    Pipe Working Pressure Calc

    Tan Chia Ling

    Calculate , thickness, and diameter

    Calculate fluid , wall thickness, and outside diameter using Barlow's Formula. Input values in various units and copy results to other apps. Includes formulas for reference and supports up to 16 decimal places.

    ★ 4.02 ratingsUtilities$2.99Data updated 2026-09-16
  5. Wireline-Calcs app icon

    Wireline-Calcs

    Vadim Fattakhov

    Calculate tension, track depth, determine pressure balance,

    Calculate maximum safe tension, determine wellhead pressure balance, and find keyseat location. Compute cable elongation and pull limits at depth. Adjust lengths for temperature changes.

    ★ 5.05 ratingsProductivityFreeData updated 2026-09-06
  6. Paley Growth app icon

    Paley Growth

    Eric Townsend

    Predict limb length and discrepancy.

    The app predicts limb length and discrepancy at maturity using the Paley Multiplier method. It calculates predictions for congenital and developmental discrepancies, epiphysiodesis age, and growth remaining.

    ★ 3.73 ratingsMedicalFreeData updated 2026-09-19
  7. Scientific Calc app icon

    Scientific Calc

    Hannes Sverrisson

    Calculate with functions and swipes

    Calculator offers advanced functions including exponents, logs, and sinus operations. Swiping accesses different function categories. Large buttons for easy input. Landscape view reveals additional functions. Balloon help provides guidance.

    ★ 3.73 ratingsUtilities$1.99Data updated 2026-09-08
  8. Concrete Calculator Pro app icon

    Concrete Calculator Pro

    Vaghani Keyur

    Calculate volume and cost

    Calculate quantities by entering project dimensions and selecting units. Choose between cubic yards, cubic meters, or tons. Adjust for waste and view detailed breakdowns. Export results and share with team members.

    ★ 4.73 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

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