245+ iOS apps curated and reviewed
Out of 245+ commercial gas calculator apps on iOS, 19 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 |  | $1.99 | — | No | Yes | Nov 2026 | |
| 2 |  | Free | 4.8★ (103K) | No | No | Nov 2026 | |
| 3 |  | Free | 5.0★ (7) | No | No | Oct 2026 | |
| 4 |  | Free | — | No | No | Sep 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | 4.7★ (4.8K) | No | Yes | Nov 2026 | |
| 7 |  | Free | — | No | No | Nov 2026 | |
| 8 |  | Free | 5.0★ (3) | No | No | Nov 2026 |
This app helps gas engineers calculate the maximum purge time for non-domestic natural gas installations. It adheres to IGE/UP/1A standards for installations up to 1m³ and 40mbar. Additional features like tightness testing duration and saving installations are available via in-app purchases.
Easily manage your gas account from anywhere. Track usage, view billing history, and make payments. Start, stop, or transfer service, and set up payment plans for residential and business customers.
This application helps users calculate their fuel consumption and associated costs. It utilizes standard units commonly used in the USA, such as miles, dollars, and U.S. gallons.
