Experience advanced car tuning and diagnostics with the new dynamic smartphone interface. Flash your car, adjust fuel maps, access live data, and get diagnostic supportβall in one convenient app. Unlock the full potential of your vehicle today!






183+ iOS apps curated and reviewed
Every iPhone needs a few good 034spi apps. We benchmark 183+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.






Experience advanced car tuning and diagnostics with the new dynamic smartphone interface. Flash your car, adjust fuel maps, access live data, and get diagnostic supportβall in one convenient app. Unlock the full potential of your vehicle today!






The app for Audi drivers enhances driving comfort through real-time vehicle information, trip planning, remote control features, and service scheduling. Access fuel levels, maintenance needs, navigation tools, and more with Audi connect services, making your driving experience seamless and convenient. Register on the app to explore these innovative functions tailored to your Audi model and equipment.




Discover the ultimate automotive experience with an app that offers free car shows, breaking news, a comprehensive buyer's guide, and access to decades of automotive magazines. Download now and find what drives you! For more information, visit the help center.


Customize your vehicle's performance at any time with this mobile app that allows you to adjust engine parameters directly from your smartphone. Connect your vehicle to the app, choose from a wide range of configurations, and unleash your tuning desires - whether for racing, fuel efficiency, or just for fun.


Shop for auto parts easily with the CarParts.com app, offering access to over 850,000 parts, fitment guarantee, fast shipping, account management features, hassle-free returns, buy now pay later options, and helpful how-to guides. Download now for convenience and savings up to 50% off local retailers.




Shop over 1.5 million auto parts and accessories with ease using our app. Stay updated on sales, events, articles, and connect with us on social media. Request a catalog, track orders, and utilize the car finder featureβall at your fingertips.


Find and buy your dream car easily with this app. Search for new and used cars, compare prices, and connect with sellers quickly. Download now to start your car shopping journey!


Shop for a wide range of auto parts, accessories, and tools for your vehicle with ease. Find everything you need to maintain and repair your car in one convenient place. Upgrade your ride and keep it running smoothly.


An ultimate OBD2 Bluetooth car scanner app that helps diagnose engine and transmission issues by connecting to an ELM327 adapter. View and clear fault codes, see real-time data, and track trip records with this powerful tool. Check compatibility with your vehicle and access accurate diagnostics to take control of your car maintenance.


"Experience fast and simple auto parts shopping with our app. Easily find the right parts, check availability, order for pickup or delivery, save vehicles, pay securely, earn rewards, and get everything you need for your projects faster."


Discover the ultimate AI assistant for car and motorcycle enthusiasts. Get personalized modding guidance, comprehensive build planning, and connect with a community of enthusiasts. Start transforming your vehicle dreams into reality today!


Perform car diagnostics easily with OBDeleven VAG Car diagnostics application. Simply scan your car's systems and get detailed insights for efficient troubleshooting. Try it now for a smoother driving experience!


Order parts quickly and accurately with the AutoZonePro Mobile app. Features like VIN scanning and license plate decoding make it easy to find the right parts while managing your account conveniently. Get the right parts at the right time and price β sign up now!


This app for Audi owners, available through authorized dealers, offers a range of services like Automatic Crash Notifications, Roadside Assistance, and Vehicle Status Reports. Features include Stolen Vehicle Locator, Live Vehicle Trip Tracking, Fuel Finder, and more. Experience enhanced safety and convenience for your Audi vehicle with this comprehensive connected service. Visit motionforaudiconnect.com for eligibility and details.




Control your engine's performance with the DINANTronics SPORT Tuner app. Adjust power settings, monitor boost pressure, and optimize your engine's output. Manage your vehicle's performance right from your phone.


Find a free Forza tuning calculator that helps you easily adjust your cars' handling with just four key pieces of information. Whether you're tuning for track or street in any Forza game, control balance and stiffness to suit your driving style. Download ForzaTune for unlimited base tunes without in-app purchases or time limits and improve your lap times today!


Access real-time data from your car's onboard diagnostic system with this powerful OBD2 scan tool. Monitor and analyze your vehicle's performance, troubleshoot issues, and make informed maintenance decisions. Get insights and stay on top of your car's health with OBD Fusion now!


Transform your iPhone into a customizable monitoring system with DashCommand - a professional OBD-II app for monitoring engine performance, fuel economy, and more. Easily read and clear check engine lights, track G-forces, map race tracks, and log OBD-II data. Check out a video of DashCommand in action: [here](https://www.youtube.com/watch?v=y12tbLmf_J0). Explore compatible hardware options: [here](http://palmerperformance.com/hardware).