211+ iOS apps curated and reviewed
Out of 211+ gas rate calculator apps on iOS, 16 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $4.99 | — | No | No | Jul 2026 | |
| 2 |  | $4.99 | — | No | No | Jul 2026 | |
| 3 |  | Free | — | No | No | Sep 2026 | |
| 4 |  | Free | — | No | Yes | May 2026 | |
| 5 |  | Free | — | No | No | Sep 2026 | |
| 6 |  | Free was $4.99 | — | No | Yes | Sep 2026 | |
| 7 |  | Free | — | No | Yes | Sep 2026 | |
| 8 |  | Free | 4.5★ (102) | No | Yes | Sep 2026 |
Calculate domestic gas rates for Imperial and Metric gas meters up to 16 cubic metres. This tool is designed for Gas Service Engineers and Installers, offering the ability to email results directly.
This app provides tools for calculating gas rates, performing tightness and let-by tests, and converting units. It includes a comprehensive guide with detailed procedures and supports various gas types and meter configurations for accurate results.
This tool simplifies calculating natural gas heat input and gas rates for installations. It allows users to time their meter, input readings, and get instant results, eliminating the need for manual charts or complex calculations.
