Best Rafter Help Apps

214+ iOS apps curated and reviewed

4.4 avg rating
17 free apps
Updated May 2026

Out of 214+ rafter help apps on iOS, 17 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Rafter Help

Rafter Help#1

Rafter Help by Armchair Engineering

Roof Pitch + Length Calculator
Editor's Choice
🔧 Utilities
4.5(206 ratings)
$1.99
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This app simplifies roof construction by calculating rafter lengths and related measurements. It supports various input formats for pitch and length, offering both quick calculations for gable roofs and advanced control for more complex needs.

RedX Roof - Rafter Calculator#2

RedX Roof - Rafter Calculator by RedX Technology Inc

Rafters, Valleys, Trusses
Strong Contender
🔧 Utilities
4.7😐(810 ratings)
FreeIn-App Purchases
RedX Roof - Rafter Calculator screenshot 1
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This app is a 3D roof builder and rafter calculator for contractors and DIYers. It automatically generates professional blueprints with labeled parts, cut lists, and material estimates. Design complex roof systems in interactive 3D and export plans for the job site.

What We Love

  • 🚀 Great app
  • 👍 Easy to use
  • 👍 Helpful for roofing work
  • 👍 Saves time

Room to Improve

  • 🐛 Crashes
  • 🔒 Requires account signup
  • 💰 Paid features
Roof Guide - Carpentry Calc#3

Roof Guide - Carpentry Calc by Infoguide Pty Ltd

Carpenters Framing Calculator
Worth Considering
🔧 Utilities
4.1(16 ratings)
FreeIn-App Purchases
Roof Guide - Carpentry Calc screenshot 1
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This app provides specialized calculators for roofing, framing, decking, stairs, and concrete projects. It helps construction professionals estimate quantities, costs, and set out materials accurately using US or metric measurements.

More Rafter Help apps to explore

4
RoofCalc - Roofing Calculator
RoofCalc - Roofing Calculator
RoofCalc - Roofing Calculator
Roof & Framing Carpenters
Free
$12.99 | 100% OFF

This app assists roofing and framing carpenters with complex calculations for various roof types and stud walls. It offers metric and imperial unit conversion, a standard calculator, and the ability to share results via email or message. Optimized for iPhones and iPads, it's designed for ease of use by construction professionals.

Hipped, gabled, and single-pitch roof calculationsStud wall calculations and estimatingMetric and imperial unit conversion
🔧 Utilities
(9)
free with in-app purchases
5
Construction Master Pro Calc
Construction Master Pro Calc
Construction Master Pro Calc
Feet Inch Fraction Calculator
Free

This app is a powerful construction calculator designed for professionals working with dimensions. It offers a wide range of solutions for dimensional math, right angle calculations, area and volume, and special functions, helping to improve speed and accuracy in layouts, bids, and estimates.

Dimensional math and conversionsRight angle and rafter calculationsArea and volume solutions
🔧 Utilities
(39K)
free with in-app purchases
6
Span Calc
Span Calc
Span Calc
Span calculator using NDS®
Free

Calculate maximum horizontal spans for wood joists and rafters using various lumber species and grades. Compares multiple options for common loading conditions based on NDS® standards.

Calculates joist and rafter spansSupports all softwood and hardwood lumberUses 2021 NDS® for Wood Construction
🔧 Utilities
(15)
free
7
BuildCalc
BuildCalc
BuildCalc
Construction Calculator
$24.99

This app enhances traditional construction calculators with advanced functions for layout, material estimation, and complex calculations. It offers interactive features, customizable material sizes, and streamlined results presentation to reduce complexity and improve accuracy for professionals.

Advanced baluster and stair layoutFence post and material estimationInteractive calculation adjustments
🔧 Utilities
(68)
paid
8
Roof Carpenter - Rafter Calc
Roof Carpenter - Rafter Calc
Roof Carpenter - Rafter Calc
Pitched Roof - Length & Angle
$0.99

Calculate roof and rafter lengths, plumb and foot cut angles, and roof areas. Supports both metric and imperial measurements for various roofing projects.

Rafter length calculationHip and valley length calculationPlumb and foot cut angles
🔧 Utilities
(10)
paid
9
Hover: Measure Design Estimate
Hover: Measure Design Estimate
Hover: Measure Design Estimate
Scope and sell every project
Free

This app provides construction professionals with tools for accurate measurements, detailed takeoffs, and professional estimates. It helps contractors visualize projects in 3D, generate material lists, and create client-ready proposals, streamlining the entire project lifecycle from initial contact to signed contract.

Precise measurements from scans or blueprintsAccurate construction estimates and takeoffsInteractive 3D project design
🔧 Utilities
(3K)
ad-supported
10
Roof Pitch Factor
Roof Pitch Factor
Roof Pitch Factor
by BeOriginal
Free

Measure roof pitch accurately using your device's camera or manually. Get results in both pitch factor and degrees without complex calculations. Includes location data for saved photos.

Measure pitch with cameraManual pitch measurementDisplays pitch factor
🔧 Utilities
(456)
paid
11
EagleView
EagleView
EagleView
Accurate roof and wall reports
Free

This app provides contractors with accurate property measurements for roofs and walls. It helps generate estimates, plan jobs, and visualize proposed improvements for clients. Access property imagery, upload your own, and annotate images for detailed planning.

Property measurementsEstimate generationJob planning
💼 Business
(9.6K)
free
12
Construction Calculator
Construction Calculator
Construction Calculator
Feet Inch Calculator
Free

This app is a powerful calculator designed for construction and woodworking professionals, as well as students. It simplifies calculations involving feet, inches, and fractions, offering conversions between various measurement units and displaying equations and results simultaneously. Advanced features are available through optional in-app purchases.

Decimal to fraction converterFraction to decimal conversionSimultaneous equation and result display
🔧 Utilities
(554)
free with in-app purchases
13
ArcSite: Floor Plans and CAD
ArcSite: Floor Plans and CAD
ArcSite: Floor Plans and CAD
Sketch, Draw & Remodel On-Site
Free

This app allows contractors to create accurate floor plans and site layouts directly on-site. It streamlines the process of planning remodels, running takeoffs, generating professional proposals, and collecting payments, all from a mobile device.

Sketch accurate floor plans on-sitePlan remodels and renovationsRun takeoff and generate material lists
📊 Productivity
(8.6K)
free with in-app purchases
14
Feet and Inches Calculator
Feet and Inches Calculator
Feet and Inches Calculator
Perfect Construction Calc!
Free

A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.

Construction math and estimatingLayout, framing, and jobsite calculationsImperial and metric unit conversion
🔧 Utilities
(384)
free with in-app purchases
15
Roofing Rafter Calculator
Roofing Rafter Calculator
Roofing Rafter Calculator
Calculate rafter cuts
Free
🔍 Reference
(0)
16
SimplyWise: Cost Estimator
SimplyWise: Cost Estimator
SimplyWise: Cost Estimator
Construction Estimate Maker
Free

This app uses AI to transform job site photos into detailed construction estimates, including material and labor costs. It generates professional bids, suggests upsells, and helps manage projects from start to finish, all from your mobile device.

AI-powered photo-to-estimateBefore & after visualization3D room scanning
💼 Business
(28K)
free with in-app purchases
17
The Tape Measure & 3D Scanner
The Tape Measure & 3D Scanner
The Tape Measure & 3D Scanner
Measurement Tool, Room Planner
Free

Transform your smartphone into a virtual measuring tape and ruler using augmented reality. Accurately measure length, height, and area of objects horizontally and vertically. Create detailed floor plans, scan rooms for 3D models, and easily share your measurements.

AR measurements (length, height, area)Horizontal and vertical measuringImperial and Metric unit switching
🔧 Utilities
(3.9K)
free with in-app purchases
18
GAF QuickMeasure
GAF QuickMeasure
GAF QuickMeasure
Fast & Accurate Roof Reports
Free

Generate comprehensive roof measurement reports quickly and accurately. Ideal for single-family homes with reports in under an hour, and commercial/multifamily properties within 24 hours. Reports include detailed measurements of roof area, pitch, and various components.

Fast roof reportsAccurate measurementsRoof area calculation
💼 Business
(835)
paid
19
Roof Calculator: Pitch, Angle
Roof Calculator: Pitch, Angle
Roof Calculator: Pitch, Angle
Cost, area, material: m2, ft2
Free

Easily calculate roof area and cost by entering roof or house dimensions. This tool simplifies complex roofing calculations, helping you estimate materials and expenses.

Automatic roof area calculationRoof cost estimationInput roof or house dimensions
🔧 Utilities
(30)
free with in-app purchases
20
Pitch Gauge
Pitch Gauge
Pitch Gauge
Roofing & Construction
Free

This app helps roofing and construction professionals with accurate roof take-offs, measurements, and project management. It offers features like pitch finding, photo documentation, lead tracking, and report generation to streamline business operations and sales.

Accurate roof take-offs and measurementsPitch finder and slope calculationPhoto documentation with captions
💼 Business
(261)
free with in-app purchases