237+ iOS apps curated and reviewed
The best gb gas rate calculator apps on iPhone average 4.4★ across 237+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | Aug 2026 |
| 2 |  | $4.99 | — | No | No | Jul 2026 |
| 3 |  | Free | — | No | No | Aug 2026 |
| 4 |  | Free | — | No | Yes | May 2026 |
| 5 |  | $4.99 | — | No | No | Jul 2026 |
| 6 |  | Free | 4.7★ (3) | No | No | May 2026 |
| 7 |  | Free | 4.7★ (448K) | Yes | No | Sep 2026 |
| 8 |  | Free | 5.0★ (6) | No | No | Jul 2026 |
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.
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 quick conversions for various gas measurements, including natural gas and LPG, as well as water volumes and flow rates. It also handles metric to imperial measurements and electrical unit conversions.
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 utility estimates natural gas flow rate using standard orifice meter calculations. It's designed for field use by operators, technicians, and engineers, combining meter geometry, flowing conditions, and gas composition for quick, reliable estimates.
Find the cheapest fuel prices in your area and earn rewards for saving money on gas. This app helps you locate stations, compare prices, and redeem points for discounts through various activities like snapping receipts and playing games.
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.
Easily calculate natural gas orifice flow rates using the AGA 3 standard. This utility app allows users to determine MCF production for a given duration, save calculations, and export data to CSV. It functions offline, requiring no cell service.
Easily determine your travel expenses by inputting distance, car's fuel efficiency, and current gas prices. It calculates total costs per person, making shared trips more transparent.
Easily calculate your vehicle's gas mileage on a single screen. Track your fuel efficiency over time with historical data and quick comparison features. Ideal for anyone needing a straightforward way to monitor MPG.
This application assists operators of natural gas production wells that use Well Master plungers. It aids in deliquification and production optimization for improved well performance.
This app provides a comprehensive reference for industrial, medical, and specialized gases. It includes a unit converter to easily switch between international measurement units, helping users select the appropriate gas.
This app offers a comprehensive suite of conversion tools for industrial gases and common units of measurement. It also includes a product guide for a specific manufacturer, making it a valuable resource for industry professionals and students.
Easily track your vehicle's fuel efficiency by logging trip distance and fuel pumped. Compare MPG across different driving methods and multiple vehicles to optimize your gas usage. Data is stored locally for privacy and accessibility.
This app helps you easily calculate and track your vehicle's fuel consumption. It supports various units of measurement and can help identify potential engine issues or driving habit improvements. Ideal for travelers or those with vehicles from different measurement systems.
Easily calculate and share travel costs like fuel expenses for road trips or daily commutes. Input distance, fuel consumption, and cost to divide expenses among passengers. It can also calculate the shortest route between two locations.
Calculate fuel costs for your trips and find live gas prices. Offers offline access to essential features for free. Upgrade to Pro for advanced tracking, savings analysis, and AI-powered advice.
This utility app calculates gas flow rates in pipes, accounting for friction and fitting losses using compressible isothermal equations. It offers extensive databases for materials, fittings, and gases, with customizable units and reporting options.