Instantly calculate the number of roof trusses needed for your project. Input roof length and spacing in various units to get a quick count. Streamline your construction planning with this efficient tool.





249+ iOS apps curated and reviewed
If you already know County Truss, this is the deeper bench. 249+ apps for truss builder measurements for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | Jul 2026 | ||
| 2 | Free | 3.0★ (2) | No | Yes | Sep 2026 | ||
| 3 | Free | 4.7★ (850) | No | Yes | Oct 2026 | ||
| 4 | Free | — | No | Yes | Sep 2026 | ||
| 5 | Free | — | No | No | May 2026 | ||
| 6 | Free | — | No | Yes | Sep 2026 | ||
| 7 | $0.99 | 1.5★ (2) | No | No | Oct 2026 | ||
| 8 | Free | — | No | No | Jul 2026 |











Instantly calculate the number of roof trusses needed for your project. Input roof length and spacing in various units to get a quick count. Streamline your construction planning with this efficient tool.






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.