213+ iOS apps curated and reviewed
The best octanesystems apps on iPhone average 4.1★ across 213+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.0★ (4) | Yes | No | Jul 2026 |
| 2 |  | Free | — | No | No | Jul 2026 |
| 3 |  | Free | — | No | No | May 2026 |
| 4 |  | Free | — | No | No | May 2026 |
| 5 |  | Free | — | No | No | May 2026 |
| 6 |  | $9.99 | 4.6★ (123) | No | Yes | Jul 2026 |
| 7 |  | Free | 4.8★ (7.3K) | No | No | Jul 2026 |
| 8 |  | Free | 4.7★ (61) | No | No | Jul 2026 |
Optimize your gas station experience with this app. Pre-pay for fuel, review consumption history, and earn discounts and points with every purchase. Easily generate invoices and access exclusive promotions.
This app connects to your car's OBD2 port via a compatible adapter to read vehicle data. Monitor fuel economy, clear check engine lights, and create custom dashboards for real-time diagnostics and performance tracking.
Instantly view real-time tank levels on your smartphone, eliminating guesswork. Track usage history, receive low-level alerts, and easily request refills from your fuel supplier. Manage multiple tanks and share access with others.
This app helps drivers save money on fuel with nationwide discounts and an AI assistant to find the cheapest gas. It offers smart route planning and instant savings at thousands of stations.
Turn your smartphone into a powerful vehicle monitoring and diagnostic tool. Track engine performance, fuel economy, and instantly diagnose check engine lights. Features advanced dashboards for performance analysis and off-roading.
Discover nearby fueling stations for alternative energy sources like electricity, natural gas, and biofuels. View station details, including payment options, access, and specific fuel types, all sourced from a comprehensive U.S. Department of Energy database.
Pay for fuel directly from your car and earn rewards on purchases. Access exclusive offers, track your progress, and find participating stations. Save on gas and diesel with a seamless payment experience.
Manage your fleet and vehicle needs on the go. Access fleet activity, approve actions, and monitor vehicle details like mileage and fuel. Request services and report usage from your mobile device.
This intelligent fitness app provides customized workouts tailored to your specific goals, from weight loss to athletic performance. It connects wirelessly to compatible equipment and offers guided routines, HIIT options, and progress tracking. Instructional videos ensure proper form for a more effective and motivating exercise experience.
This audio plugin offers a vast library of over 1,000 instruments and presets, along with extensive effects and layering capabilities. It allows producers to quickly find and shape sounds for their music, with new content added weekly. The app also features a 6-band equalizer and dynamics tools for precise sound manipulation.
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.
Explore the world of classic cars with expert insights and exclusive content. Discover top events, browse thousands of vehicles for sale, and build your collection of past issues. Share your passion for automotive history.
Locate gas stations offering 93 octane or higher fuel with this community-driven app. Get detailed station info, report inaccuracies, and easily navigate to your chosen pump using integrated mapping services.
Customize your coffee order from anywhere and have it ready when you arrive. Use the app to scan your QR code for a quick and contactless pickup.
This app works with a special sensor to measure the exact LPG propane level in your tank. Get real-time fill level and know precisely when you're running low. Ideal for RVs, heaters, and BBQ grills.