Best Rafter Calculator Apps

249+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated August 2026

Looking for free rafter calculator apps? 18 of our 249+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Rafter Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1RedX Roof - Rafter CalculatorRedX Roof - Rafter CalculatorFree4.7★ (850)NoYesSep 2026
2Construction Master Pro CalcConstruction Master Pro CalcFree4.8★ (40K)NoYesSep 2026
3Roofing Rafter CalculatorRoofing Rafter CalculatorFreeNoNoMay 2026
4Rafter Calculator EasyRafter Calculator EasyFreeNoNoMay 2026
5Roof Guide - Carpentry CalcRoof Guide - Carpentry CalcFree4.1★ (16)NoYesMay 2026
6Roofing Calculator ProRoofing Calculator ProFree3.8★ (37)NoYesAug 2026
7Carpentry CalculatorCarpentry CalculatorFree5.0★ (1)NoYesAug 2026
8Rafter Length CalculatorRafter Length CalculatorFree was $1.993.7★ (6)NoYesAug 2026

Top Picks for Rafter Calculator

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
Construction Master Pro Calc#2

Construction Master Pro Calc by Calculated Industries

Feet Inch Fraction Calculator
Strong Contender
🔧 Utilities
4.8😐(40K ratings)
FreeIn-App Purchases
#46in Utilities
Construction Master Pro Calc screenshot 1
Construction Master Pro Calc screenshot 2
Construction Master Pro Calc screenshot 3
Construction Master Pro Calc screenshot 4
Construction Master Pro Calc screenshot 5
Construction Master Pro Calc screenshot 6

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.

What We Love

  • 🚀 Convenient and always available
  • ⚙️ Comprehensive construction calculations
  • 💪 Industry-standard tool
  • 🔍 Accurate and reliable
  • 📱 Integrates well with mobile devices

Room to Improve

  • 💰 Subscription model too expensive
  • 🔒 Locks data behind subscription
  • 🔄 Forced to re-purchase after device changes
  • 🔍 Lacks full metric support
  • 🔧 Occasional UI/UX issues

More Rafter Calculator apps to explore

FAQ about Rafter Calculator

What are the best rafter calculator apps for iPhone?
RedX Roof - Rafter Calculator tops our rafter calculator apps ranking as of August 2026, with a 4.7-star average from 850 App Store ratings, and it's free to download.
Yes — 18 of the top rafter calculator apps we rank are free to download, including RedX Roof - Rafter Calculator and Construction Master Pro Calc.
RedX Roof - Rafter Calculator has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ rafter calculator 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.

Related searches