213+ iOS apps curated and reviewed
Every iPhone needs a few good 034spi apps. We benchmark 213+ 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 |  | Free | 4.2★ (42) | No | No | Jul 2026 |
| 2 |  | Free | 4.8★ (159K) | Yes | No | Aug 2026 |
| 3 |  | Free | 4.8★ (6K) | No | No | Aug 2026 |
| 4 |  | $12.99 was $14.99 | 4.7★ (3.6K) | No | No | Aug 2026 |
| 5 |  | Free | 4.8★ (113K) | Yes | No | Aug 2026 |
| 6 |  | Free | 4.8★ (64K) | No | No | Aug 2026 |
| 7 |  | Free | 4.6★ (47K) | No | No | Aug 2026 |
| 8 |  | $9.99 | 4.2★ (2.1K) | No | Yes | Aug 2026 |
This app allows users to flash their car's ECU/TCU, change fuel maps, and configure live data displays. It also provides diagnostic tools like reading and clearing DTC codes. Compatible with Dynamic+ ECU/TCU tunes and the Dynamic+ End User Flashing Dongle.
Control your vehicle remotely, including starting the engine and adjusting climate. Locate your car, monitor key metrics like fuel and tire pressure, and schedule maintenance or request roadside assistance directly from your smartphone.
Track vehicles with real-time GPS, receive instant accident alerts, and monitor driving behavior. It also provides vehicle health diagnostics to proactively address potential issues.
Transform your phone into a car performance and diagnostic tool. Monitor real-time data, track fuel economy, and troubleshoot engine issues. Includes advanced features for track racing and customizable gauges.
Control your vehicle remotely, monitor its status, and access important information. Schedule maintenance and get assistance when you need it, all from your smartphone.
This app functions as a sophisticated speedometer, alerting you to speed limit violations with visual and auditory cues. It also provides location sharing, altitude readings, and a GPS black box for trip data. Calculate mileage, costs, and fuel consumption for your journeys.
This app helps company vehicle drivers manage fleet tasks efficiently. It allows for mileage tracking, finding service vendors and gas stations, accessing service cards, and managing vehicle registration. Drivers can also acknowledge company policies and use Face ID for quick login.
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.
This app provides roadside assistance, crash response, family location sharing, and emergency services directly from your smartphone. It offers help in any vehicle, including motorcycles, and allows sharing with up to seven family members.
Access official race results and follow live timing for motorized sports events worldwide. Analyze your performance, compare lap times with opponents, and manage your transponder subscriptions.
Discover premium refurbished tech like smartphones, laptops, and game consoles at significantly lower prices. This marketplace offers a sustainable way to buy quality devices, with free warranties, shipping, and flexible payment options.
This app uses telematics to monitor your driving behavior and reward safe driving with points. It offers accident assistance, discounts, and a suite of car-related services including maintenance, rentals, and sales.
Remotely control your vehicle's climate and starting functions. Track essential vehicle metrics like fuel and tire pressure. Schedule maintenance and request roadside assistance directly from your smartphone.
Transform your smartphone into a powerful car diagnostic and customization tool. Easily scan trouble codes, monitor live data, and access advanced features like coding and service functions for a wide range of car brands. Save time and money on car maintenance and personalization.
Manage your Volvo vehicle remotely with this comprehensive app. Control climate, track charging, schedule service, and access vehicle information and support. It also allows for remote locking and unlocking of your car.
Transform your phone into a car performance and diagnostic tool. Monitor real-time data, track fuel economy, and troubleshoot engine issues. Includes customizable gauges, trouble code reading, and CarPlay support.
Tune and monitor your vehicle's performance using your iPhone or iPad. This app requires a specific wireless OBD-II interface to adjust engine parameters, view real-time data, and run performance tests. It also allows for reading and clearing diagnostic trouble codes.
Manage your fleet directly from your phone. View vehicle locations, driver activity, and control your fleet remotely. Access detailed vehicle information and history trails on a map.
This app acts as a mobile data logger and display for vehicles equipped with a JB4 tuner. It allows users to monitor and log various engine parameters, view data in real-time, and adjust settings for performance tuning.
Enhance your iPhone's capabilities with this app, designed to work with a high-accuracy GPS receiver for precise performance data. Measure acceleration, deceleration, and VMAX for your vehicle with professional-grade accuracy. Explore various testing modes for braking and zero-to-zero times.