# Rafter Roof Calculator — Birdsmouth Pitch Angles

> Birdsmouth Pitch Angles (iPhone/iPad app by Vladislav Zhirnov.)

- Source: https://appshunter.io/ios/app/rafter-roof-calculator/id6758406254 (this page in markdown: same URL + `.md`)
- Developer: [Vladislav Zhirnov](https://appshunter.io/developer/1476188065)
- Category: Utilities, Reference
- Price: $1.99
- Age rating: 4+
- Requires: iOS 17.6 · 3 MB
- Languages: German (Germany), Arabic, Danish, American English, Finnish, French (France), Greek, Hebrew, Hindi, Indonesian and 22 more
- Released: 2026-02-04
- Data updated: 2026-08-13
- User reviews in markdown: https://appshunter.io/ios/app/rafter-roof-calculator/id6758406254/reviews.md

## What is Rafter Roof Calculator?

Rafter Roof Calculator is a job-site tool for carpenters, framers, contractors, and serious DIYers who need accurate rafter and birdsmouth layout in imperial feet-inches-fractions.

• Full rafter geometry: total length, top length, rise, run, fall, setback, and tail/overhang along the rafter
• Birdsmouth layout: plumb depth or seat width modes, plus a safety warning when the notch is too deep
• Height Above Plate (HAP): instantly see remaining rafter depth over the wall plate
• Pitch & angle input: quick common pitch selector plus degree entry for custom roofs
• Secondary helper: calculate rafter run from building width and ridge thickness, then “Use This Value” in the main screen
• Interactive diagrams: scroll/pan views with grid and scale for the full rafter profile and a close-up birdsmouth detail
• PDF export: save/share a clean report with inputs, results, timestamp, and warnings

Built for speed and reliability: real-time updates (no Calculate button), offline operation, and privacy-friendly (no tracking).


## Version history (last 1 release)

### 1.0 — 2026-02-04

No release notes.

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## More apps by Vladislav Zhirnov

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All apps by Vladislav Zhirnov: https://appshunter.io/developer/1476188065

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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 2026-08-13.*