200+ iOS apps curated and reviewed
Out of 200+ gasconverter apps on iOS, 18 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 |  | Free | 5.0★ (9) | No | No | Jul 2026 |
| 2 |  | Free | 4.7★ (171) | No | No | Jul 2026 |
| 3 |  | Free | 4.9★ (22K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 3.8★ (10) | No | No | May 2026 |
| 5 |  | Free | — | — | No | May 2026 |
| 6 |  | Free | 5.0★ (2) | No | No | May 2026 |
| 7 |  | Free | 4.6★ (147K) | Yes | Yes | Aug 2026 |
| 8 |  | Free | 4.5★ (6) | Yes | Yes | Jul 2026 |
This utility converts weight and volume measurements for various industrial gases and liquefied natural gas. It accounts for each gas's unique properties, simplifying complex calculations for users on their iPhone or iPad.
Easily convert volumetric to weight-based units for 15 industrial gases. Get additional information like enthalpy and boiling points. Simple three-step process for quick calculations.
Easily perform fraction calculations including addition, subtraction, multiplication, and division. Convert fractions to decimals and vice versa with a clear, user-friendly interface. Ideal for students, cooks, and DIYers needing quick and accurate fraction management.
Instantly convert between gaseous and liquid states, and perform various unit calculations for weight, area, length, and volume. Customize your display and locate Air Liquide offices worldwide.
Easily calculate gas prices between gallons and liters. This tool helps you understand the cost of fuel in different units, making it simple to compare prices.
This app provides a safe and encouraging space to express yourself and make meaningful connections. It offers features to help you find dates, long-term relationships, new friends, or simply chats, with advanced technology to block fake accounts for an authentic experience.
Find the cheapest fuel prices in your area with this community-powered app. Save money on every fill-up by leveraging crowdsourced data from other drivers. Engage with a fun rewards system and consider an upgrade for advanced savings tools.
Easily convert over 160 currencies and 350 physical units with real-time updates and offline capabilities. Create a favorites list for quick access to frequently used conversions and enjoy geo-based currency options. An ad-free version is available for purchase.
This app offers a comprehensive unit and currency converter with a vast array of categories and calculators for everyday needs. It allows users to customize templates, download shared ones, and provides automatic exchange rate updates for 167 world currencies.
Easily calculate the price of gas in your local currency and volume while traveling abroad. Supports numerous currencies and volume units for quick conversions.
Easily convert between various units and currencies with a simple, intuitive interface. Features live currency updates for 155 world currencies, refreshed every 15 minutes. Optimized for a wide range of Apple devices, including iPads with Split View support.
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 unit and hardness conversion tool with an easy-to-use interface. It includes currency conversion with updated exchange rates, over 300 engineering and scientific units, and a specialized hardness converter. Additional features like timezone conversion, pace calculation, and a standard calculator enhance its utility.
This app offers a powerful and user-friendly unit converter with 16 categories, including currency, length, and temperature. It allows for custom unit lists and provides live exchange rate updates for 148 currencies. Unlock all features with a one-time in-app purchase.
This app offers a comprehensive unit conversion tool with over 300 units across 27 categories. It supports compound units, date calculations, and conversions between various number systems, including historical units. The interface is designed for ease of use with smart keyboards and customizable display options.
Track your upcoming and past cylinder deliveries with real-time truck location updates. View and email delivery tickets for completed orders. Requires account creation and linking your customer ID for full access.
This app offers a comprehensive unit and currency converter with over 1500 units across 65 categories. It features advanced search, customization, and two conversion modes for convenience, performing calculations as you type.
Provides real-time Ethereum gas price information. Offers a desktop widget for convenient monitoring of fuel prices on the Ethereum network.
This app offers a fast and intuitive way to convert between thousands of units and currencies. Simply type to search and select units, with automatic category detection and intelligent suggestions. It includes advanced features like a built-in calculator and bookmark organization.