# RedX Roof - Rafter Calculator — Rafters, Valleys, Trusses

> 3D roof builder and rafter calculator for professional blueprints and framing plans. (iPhone/iPad app by RedX Technology Inc.)

- Source: https://appshunter.io/ios/app/redx-roof-rafter-calculator/id1519896740 (this page in markdown: same URL + `.md`)
- Developer: [RedX Technology Inc](https://appshunter.io/developer/835492291)
- Category: Utilities, Business
- Price: Free with in-app purchases
- Rating: 4.70/5 from 850 App Store ratings · 50 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.6 · 162 MB
- Languages: American English
- Released: 2020-06-26
- Data updated: 2026-08-26
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/redx-roof-rafter-calculator/id1519896740/reviews.md

## What is RedX Roof?

RedX Roof Pro is a powerful 3D Roof Builder, Roof Blueprint Generator, and Rafter Calculator built for contractors, framers, and serious DIYers.

Now featuring a full 3D Roof Framing Engine that automatically generates:

• Common rafters
• Hip rafters
• Valley rafters
• Jack rafters
• Gable roofs
• Roof sheathing layouts

Design complete roof systems in interactive 3D, view individual rafters, and instantly generate professional roof blueprints with labeled parts and full cut lists. Print, export, and bring accurate framing plans directly to the job site.

• 3D ROOF BUILDER & BLUEPRINT GENERATOR
• Automatic roof framing layout
• Construction-ready roof blueprints
• Framing plans with labeled rafters
• Detailed cut sheets and material lists
• Roof plan drawings (top view & side view)
• Printable framing diagrams
• Exportable PDF blueprints
• Individual rafter inspection mode

Create accurate roof framing drawings without manual calculations.

CLASSIC ROOF TOOLS (Included)

Common Rafter Calculator
Generate precise rafter lengths, rise, fascia height, tail length, and birdsmouth cuts in 2D and 3D.

Hip Rafter Builder
Create detailed hip roof framing plans with backing angles, jack rafters, bevel cuts, and full measurements.

Valley Builder
Generate ridge length, sleeper board length, valley rafter lengths, and intersecting roof angles with full 3D framing plans.

Plywood Angle Calculator
Calculate plywood bevel and intersection angles with to-scale cutting diagrams.

Gable Truss Builder
Design gable trusses with accurate dimensions and printable truss blueprints.

Also includes tools for gambrel roofs, dormers, turret roofs, bay roofs, and truss hip rafters.

KEY FEATURES
• 3D roof design software
• Roof blueprint generator
• Roof framing plans & drawings
• Construction-ready roof layouts
• Rafter cut list generator
• Material list generator
• Roof pitch calculator

Supports CM, MM, Feet & Inches

All-in-one roof framing and blueprint software designed to save hours of layout and calculation time.

We regularly add new features. View updates inside the app.

Terms Of Use
https://www.redxapps.com/terms-of-service

In-App Purchases Available

If you purchase a Monthly or Yearly Subscription, payment will be charged to your iTunes account and auto-renews unless turned off in your App Store settings.

Current 12-month subscription: $59.99 USD/year. Prices may vary by country and are subject to change without notice. No cancellation during active subscription period.

## Key features

- 3D Roof Builder
- Rafter Calculator
- Blueprint Generator
- Automatic Framing Layout
- Cut List Generator
- Material List Generator

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| RedX Roof App Premium | $7.99 | per month |
| RedX Roof Premium | $47.99 | per year |
| RedX Roof Premium | $59.99 | per year |
| RedX Apps Bundle | $89.99 | per year |
| RedX Roof Pro | $44.99 | per year |
| RedX Apps Bundle | $89.99 | per year |
| RedX Apps Bundle | $179.99 | per year |
| RedX Apps Bundle | $179.99 | per year |
| RedX Roof Pro | $69.99 | per year |
| RedX Apps Pro++ | $59.99 | per year |
| RedX Apps Pro++ | $9.99 | per month |


## What do users think of RedX Roof?

Overall sentiment: neutral

**Pros**

- 🚀 Great app
- 👍 Easy to use
- 👍 Helpful for roofing work
- 👍 Saves time
- 👍 Accurate measurements

**Cons**

- 🐛 Crashes
- 🔒 Requires account signup
- 💰 Paid features
- 💰 Expensive subscription
- 🔧 Limited functionality in free version

**Commonly reported bugs**

- Login issues
- Data loss after crashes
- Incorrect measurements for some roof elements

**Most requested features**

- Support for more roof types (e.g., scissor trusses, gambrel trusses)
- Ability to input full build dimensions and get lumber count
- Ability to move elements around freely
- Support for metric units

## Recent user reviews (10 of 50)

All indexed reviews: https://appshunter.io/ios/app/redx-roof-rafter-calculator/id1519896740/reviews.md

### 1/5 — No free trial

*2026-07-15, version 6.8.9*

I canceled on the fifth day and they charged me $69.99

### 5/5 — Great app

*2026-06-15*

This app is super user friendly! It is great for quick onsite designs that help customers visualize ideas and expand on them.

### 1/5 — No good

*2026-04-29, version 6.8.9*

The app will not open for me

### 4/5 — Construcción

*2026-04-23, version 6.8.9*

La mejor app para seguir tu día sin estrés

### 5/5 — !!

*2025-10-01*

Не могу оплатить премиум

### 5/5 — Mal

*2025-09-28, version 6.7.9*

No se puede pagar por mes

### 5/5 — Free version

*2025-02-21*

The free version only does the common rafter, but it goes in detail, having all measurements no matter where you pull your tape when building it. 

Very useful for the common rafter. I have no doubt the paid version is better!

### 5/5 — George J gomez

*2025-02-14, version 6.1.9*

Great app

### 5/5 — ya

*2024-10-15, version 6.1.6*

great

### 1/5 — Bait and switch

*2024-10-05*

You’re not able to try the app without signing up. Looks like each function requires a separate purchase too.

## Frequently asked questions about RedX Roof

### What does the RedX Roof app do?

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.

### What are the key features of this roof calculator app?

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.

### How much does the RedX Roof app cost?

The app is free to download and offers in-app purchases. There is a current 12-month subscription available for $59.99 USD/year, which auto-renews unless turned off in your App Store settings. Prices may vary by country.

### What units does the app support?

The app supports measurements in CM, MM, Feet & Inches, making it versatile for various construction projects and locations.

### Who would benefit from using this roof framing app?

This app is ideal for contractors, framers, and serious DIYers who need to create accurate roof framing plans and blueprints without manual calculations. It aims to save significant time on layout and calculation.

## Version history (last 5 releases)

### 6.9.2 — 2026-08-06

This update adds a new rafter calculator and bug fixes

### 6.8.9 — 2026-03-28

This update has minor improvements and bug fixes.

### 6.8.8 — 2026-03-25

This update has performance improvements and bug fixes.

### 6.8.6 — 2026-02-13

This update has changes to the cut list and blueprints.

### 6.8.5 — 2025-12-17

This update includes some small bug fixes.

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## More apps by RedX Technology Inc

- [Welland Canal Bridge Status](https://appshunter.io/ios/app/welland-canal-bridge-status/id1513050020)
- [Triton - Dive Tracker](https://appshunter.io/ios/app/triton-dive-tracker/id1533556089)
- [RedX Walls - Design & Build](https://appshunter.io/ios/app/redx-walls-design-and-build/id1554953550)
- [Welland Canal - Bridge Status](https://appshunter.io/ios/app/welland-canal-bridge-status/id1572213857)
- [RedX Stairs - 3D Calculator](https://appshunter.io/ios/app/redx-stairs-3d-calculator/id1589688170)

All apps by RedX Technology Inc: https://appshunter.io/developer/835492291

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*