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Best Rafter Calculator Roof Apps

243+ iOS apps curated and reviewed

4.1 avg rating
16 free apps
Updated August 2026

From beginner-friendly picks to power-user tools, our rafter calculator roof list covers 243+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.

Compare top Rafter Calculator Roof Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1RedX Roof - Rafter CalculatorRedX Roof - Rafter CalculatorFree4.7★ (850)NoYesSep 2026
2Roofing Rafter CalculatorRoofing Rafter CalculatorFree—NoNoMay 2026
3Rafter HelpRafter Help$1.994.5★ (212)NoNoAug 2026
4Roofing Calculator ProRoofing Calculator ProFree3.8★ (37)NoYesAug 2026
5Rafterly: Rafter CalculatorRafterly: Rafter CalculatorFree—NoYesJul 2026
6Rafter Calculator EasyRafter Calculator EasyFree—NoNoMay 2026
7Roof Calculator & RafterRoof Calculator & RafterFree—YesYesJun 2026
8Roof Guide - Carpentry CalcRoof Guide - Carpentry CalcFree4.1★ (16)NoYesMay 2026

Top Picks for Rafter Calculator Roof

RedX Roof - Rafter Calculator#1

RedX Roof - Rafter Calculator by RedX Technology Inc

Rafters, Valleys, Trusses
Editor's Choice
🔧 Utilities
4.7😐(850 ratings)
FreeIn-App Purchases
RedX Roof - Rafter Calculator screenshot 1
RedX Roof - Rafter Calculator screenshot 2
RedX Roof - Rafter Calculator screenshot 3
RedX Roof - Rafter Calculator screenshot 4
RedX Roof - Rafter Calculator screenshot 5
RedX Roof - Rafter Calculator screenshot 6

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
  • 👍 Accurate measurements

Room to Improve

  • 🐛 Crashes
  • 🔒 Requires account signup
  • 💰 Paid features
  • 💰 Expensive subscription
  • 🔧 Limited functionality in free version
Rafter Help#3

Rafter Help by Armchair Engineering

Roof Pitch + Length Calculator
Worth Considering
🔧 Utilities
4.5(212 ratings)
$1.99
Rafter Help screenshot 1
Rafter Help screenshot 2
Rafter Help screenshot 3
Rafter Help screenshot 4
Rafter Help screenshot 5
Rafter Help screenshot 6

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.

More Rafter Calculator Roof apps to explore

FAQ about Rafter Calculator Roof

What are the best rafter calculator roof apps for iPhone?
RedX Roof - Rafter Calculator tops our rafter calculator roof apps ranking as of August 2026, with a 4.7-star average from 850 App Store ratings, and it's free to download.
Yes — 16 of the top rafter calculator roof apps we rank are free to download, including RedX Roof - Rafter Calculator and Roofing Rafter Calculator.
RedX Roof - Rafter Calculator has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 243+ rafter calculator roof apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
RedX Roof is a powerful 3D roof builder and rafter calculator. It helps contractors and DIYers design complete roof systems in interactive 3D, automatically generates professional roof blueprints with labeled parts and cut lists, and provides material estimates.
Key features include a 3D roof builder, automatic roof framing layout, construction-ready roof blueprints, detailed cut sheets and material lists, and individual rafter inspection mode. It also offers classic tools like a common rafter calculator, hip rafter builder, and valley builder.