This tool generates precise flat patterns for various pipe and branch connections, including pipe-to-pipe, pipe-to-cone, and truncated cylinders. It simplifies complex fabrication layouts for engineers and fabricators.






250+ iOS apps curated and reviewed
The best layout calc pro apps on iPhone average 4.6★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | No | Yes | Oct 2026 | ||
| 2 | Free | 2.5★ (2) | No | Yes | Nov 2026 | ||
| 3 | Free | 5.0★ (1) | No | Yes | Oct 2026 | ||
| 4 | Free | 4.7★ (138) | Yes | Yes | Nov 2026 | ||
| 5 | $2.99 | — | — | No | Oct 2026 | ||
| 6 | Free | 4.2★ (6) | No | Yes | Nov 2026 | ||
| 7 | $4.99 | 5.0★ (1) | No | No | Sep 2026 | ||
| 8 | Free | 4.9★ (410K) | Yes | No | Nov 2026 |











This tool generates precise flat patterns for various pipe and branch connections, including pipe-to-pipe, pipe-to-cone, and truncated cylinders. It simplifies complex fabrication layouts for engineers and fabricators.




This app generates flat pattern layout markings for various types of bends used in fabrication, piping, and ducting. It calculates angles, plate sizes, and provides detailed layouts for efficient material planning and precise marking.