250+ iOS apps curated and reviewed
Finding the right plumbing formulator apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (7) | No | Yes | Oct 2026 | |
| 2 |  | Free | 4.7★ (231) | No | Yes | Aug 2026 | |
| 3 |  | Free | — | No | No | May 2026 | |
| 4 |  | Free | 5.0★ (2) | No | Yes | Oct 2026 | |
| 5 |  | Free | 5.0★ (10) | No | No | May 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | $4.99 | — | No | No | Oct 2026 | |
| 8 |  | Free | 5.0★ (1) | No | No | Oct 2026 |
This professional calculator app provides over 200 formulas, calculators, and reference materials for plumbers, HVAC technicians, and mechanical contractors. It covers a wide range of calculations for water flow, piping, drainage, water heaters, pumps, and more, all in one pocket-sized tool.
Access essential plumbing code data and calculations on the go. This app provides quick access to UPC & IPC tables, water line sizing, and fitting take-offs, streamlining fieldwork for plumbing professionals.
