# Roof Framing Calc: 3D Metric — Rafter & Hip Roof Builder App

> Rafter & Hip Roof Builder App (iPhone/iPad app by Maya Patel.)

- Source: https://appshunter.io/ios/app/roof-framing-calc-3d-metric/id6777943687 (this page in markdown: same URL + `.md`)
- Developer: [Maya Patel](https://appshunter.io/developer/1896682715)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 13.0 · 39 MB
- Languages: American English
- Released: 2026-06-17
- Data updated: 2026-06-24
- User reviews in markdown: https://appshunter.io/ios/app/roof-framing-calc-3d-metric/id6777943687/reviews.md

## What is Roof Framing Calc?

The metric roof framing calculator built for Australian, New Zealand, and UK builders. Enter span, pitch and rafter centres — get rafter length, cut angles, birdsmouth depth and a live 3D animation in seconds. Works completely offline on the job site.
Whether you're framing a gable, a hip roof with jack rafters, a skillion shed, or a gambrel barn — Roof Framing Calc handles it all. Every result calculated to AS1684 (Australian Standard) and NZS3604 (New Zealand Standard).
FREE FEATURES
- Gable roof calculator — span, pitch, rafter centres, ridge thickness, rafter depth
- All results instantly: rafter length, ridge height, plumb cut, seat cut, birdsmouth depth, ridge shortening, total rafters, rafter tail
- Live 3D animated roof frame — tap any rafter to see its measurements
- 2D cross-section engineering diagram — pinch to zoom, all dimensions labelled
- Pitch converter — degrees, X:12 ratio, % slope, mm per metre
- Save up to 3 projects
PRO FEATURES — from $2.08/month
- Hip roof calculator — hip rafter, backing angle, cheek cut, complete jack rafter table
- Skillion (mono-pitch) calculator — rafter length, wall height difference. Sheds, verandahs, carports
- Gambrel (barn) roof calculator — lower/upper rafters, knee height, knee joint bevel
- PDF cut sheet — A4 professional report, diagram included. Share via email, WhatsApp, print on site
- Material estimator — timber lineal metres, roof area m², sheet count, cost estimate
- Unlimited saved projects
- No advertisements. Ever.
BUILT FOR THE JOB SITE
Large inputs designed for work gloves. High contrast for outdoor sunlight. 100% offline — no internet on site needed. AU/NZ standard timber sizes built in: 90, 140, 190, 240mm rafters.
SUBSCRIPTIONS
• Pro Monthly: $4.99/month — 7-day free trial
• Pro Annual: $24.99/year — Save 58% — 7-day free trial — BEST VALUE
• Pro Lifetime: $44.99 one-time
Subscriptions renew automatically. Manage or cancel in App Store Settings at least 24 hours before renewal. Payment charged to your Apple ID.
Privacy Policy: https://mayatechlab.com/rfc_privacy_policy.html

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Annual | $24.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Pro Lifetime | $44.99 | one-time |



## Version history (last 2 releases)

### 1.0.1 — 2026-06-21

Bug Fixing and UI Updates

### 1.0 — 2026-06-17

No release notes.

## More apps by Maya Patel

- [Embroidery File Viewer](https://appshunter.io/ios/app/embroidery-file-viewer/id6759555519)
- [Stock Simulator & IPO Tracker](https://appshunter.io/ios/app/stock-simulator-and-ipo-tracker/id6760998198)

All apps by Maya Patel: https://appshunter.io/developer/1896682715

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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 2026-06-24.*