202+ iOS apps curated and reviewed
Every iPhone needs a few good dts gas guru apps. We benchmark 202+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $4.99 | — | No | No | Aug 2026 |
| 2 |  | Free | 4.4★ (4.5K) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.8★ (8.2K) | No | No | Aug 2026 |
| 4 |  | Free | 4.8★ (14K) | No | Yes | Aug 2026 |
| 5 |  | Free | 4.0★ (5) | No | Yes | Jul 2026 |
| 6 |  | Free | 4.7★ (3) | No | No | May 2026 |
| 7 |  | Free | 3.6★ (5) | No | Yes | May 2026 |
| 8 |  | Free | — | No | No | May 2026 |
This professional technical diving tool provides fast and accurate calculations for dive planning, gas analysis, and safe operating limits. It's designed for CCR and open circuit divers, offering essential features in a clean interface for confident underwater decisions.
Transform your Apple Watch Ultra into a comprehensive dive computer for scuba, freediving, and snorkeling. Explore new locations with heatmaps, track your routes, organize underwater media, and share your adventures securely. Plan dives, monitor real-time data, and stay safe with advanced algorithms.
Access digital training materials, certifications, and a digital logbook for various diving disciplines. Track dive progress, manage gear, and earn ratings. Connect with dive centers and stay updated on industry news and events.
This app helps anglers discover, plan, and log fishing trips with powerful maps, forecasts, and community features. Identify fish, track your catches, and connect with other anglers to improve your success on the water.
This app assists scuba divers in calculating and planning Nitrox and Trimix gas blends. It supports both imperial and metric units, offering calculations based on Ideal Gas and Van de Waals formulas. Users can also view the Maximum Operating Depths (MODs) for various factors and save planned mixes for future reference.
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.
This app simulates hazardous gas readings for training purposes. Trainers can wirelessly send gas data, messages, and images to students, testing their interpretation skills and knowledge. Comprehensive reports track student progress and session details.
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.
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.
Track fuel expenses, operating costs, and maintenance for all your vehicles. Gain insights into total cost of ownership and improve efficiency with smart reminders and analytics.
Navigate oil and gas wells across the United States with this directional app. Search, share, and save well locations. Offers a free trial and various subscription options for continuous access.
This app serves as a comprehensive diving logbook and planning tool. It automatically records dive data, tracks gas consumption, and supports various diving disciplines. Users can also discover dive sites, manage gear, and share experiences with a community.
This app provides tools for planning and blending diving gases, including nitrox and trimix. It offers calculators for partial pressure blending, top-offs, and best mixes, along with calculations for MOD, END, EAD, and EDD.
This app provides essential tools for divers to plan and blend enriched air nitrox. It calculates dive parameters like equivalent air depth and maximum operating depth, and supports various blending methods for custom gas mixes. Easily switch between metric and imperial units and save custom settings for frequent use.
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.
Manage F-Gas refrigerant usage, track industrial gas cylinders, and schedule jobs efficiently. This tool helps control rental costs, store customer and site information, and generate compliant F-Gas reports. It offers offline synchronization for work in areas with limited connectivity.
This app helps drivers find the cheapest gas prices nearby using AI-powered forecasts. It analyzes live prices and historical data to predict price drops, allowing users to save money on fuel.
Explore gas and vapor measurement technology with this app. It details Dräger-Tube, Dräger Sensor, and Dräger Chip systems, offering comprehensive listings of tubes and chips with measurement parameters. Learn about portable monitors and access support resources like compatibility charts and how-to videos.
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.