198+ iOS apps curated and reviewed
Every iPhone needs a few good decode rpo apps. We benchmark 198+ 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 | 5.0★ (2) | Yes | No | Jul 2026 |
| 2 |  | Free | — | No | No | May 2026 |
| 3 |  | Free | 4.8★ (207K) | Yes | No | Jul 2026 |
| 4 |  | Free | 4.8★ (8.7K) | No | No | Jul 2026 |
| 5 |  | Free | 4.8★ (157K) | Yes | No | Jul 2026 |
| 6 |  | Free | 4.8★ (404K) | Yes | No | Jul 2026 |
| 7 |  | Free | 4.1★ (13K) | Yes | No | Jul 2026 |
| 8 |  | Free | 4.9★ (368K) | Yes | Yes | Jul 2026 |
Instantly decode GM vehicle RPO codes by scanning the QR code on your vehicle's label. Get a clear list of factory options installed on your car, making it easy to understand its specifications. Supports 2017 and newer model years.
Shop for a wide range of auto parts, including car, truck, SUV, and motorcycle components. Easily find the right parts with VIN decoding and license plate lookup, and get them quickly with same-day pickup or delivery.
Easily identify vehicles and order necessary parts with this professional tool. Features like VIN scanning and license plate decoding ensure order accuracy and speed. Access a full catalog and local store inventory to get the right parts quickly.
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.
Discover and purchase used cars, SUVs, and trucks from a nationwide inventory. Schedule test drives, view detailed car information, and manage financing all within the app. Get upfront pricing and vehicle history reports for a convenient car buying experience.
Bid on a wide variety of salvaged vehicles, including cars, trucks, and motorcycles, anytime. Access detailed vehicle information, engine sounds, and high-resolution images to make informed purchasing decisions. Manage your bids, watch list, and payments all within the app.
Browse new, used, and certified pre-owned vehicles from dealerships near you. Access free CARFAX Vehicle History Reports with every used car listing, view price history, and compare vehicles with detailed information and photos.
Discover a vast selection of vehicle parts, accessories, and vehicles to buy and sell. Manage your car's specifications, ensure parts fit with Fitment Finder, and connect with a community of auto enthusiasts. Secure payment and shipping options are available.
This app translates your car's diagnostic trouble codes into plain language, helping you understand potential issues and their severity. It provides maintenance reminders and offers advanced features like issue forecasting and emissions pre-checks with a premium subscription.
Renew vehicle registrations, pay property taxes, and order plates without visiting the DMV. Store receipts, vehicle information, and payment details securely within the app for quick access. A helpful chatbot assists with the entire process.
Instantly look up your car's check engine codes on the go. Access a vast database of OBD2 codes with descriptions and potential causes for all major manufacturers. Save your search history for quick reference.
Access over a million auto parts for your vehicle anytime, anywhere. Ensure perfect fitment with a vehicle selector and find specialized parts for European cars and off-road vehicles. Offers flexible payment options and fast shipping.
Find new and used cars with a vast selection and trusted deal ratings. Explore financing options, compare vehicles side-by-side, and even sell your current car with instant offers and valuations.
Decode VINs to reveal original vehicle equipment, options, and cost. This tool helps ensure accurate car descriptions and pricing for used vehicles, preventing potential financial losses.
Manage your car dealership operations from anywhere with this comprehensive mobile tool. Respond to customer leads instantly via text, phone, or email, and showcase your inventory with virtual selling features. Streamline your business with quick inventory loading, photo branding, and vehicle history reports.
Access comprehensive vehicle information, manage traffic fines, and handle insurance renewals. This app provides RTO details, service history, and options to buy or sell vehicles. It also facilitates FASTag recharges and offers car accessories.
Shop for, sell, or trade used cars entirely online. Browse thousands of vehicles, get financing options, and track delivery. Enjoy a 7-day money-back guarantee for peace of mind.
Unlock hidden features and customize your BMW, MINI, or Toyota Supra. This app allows you to individually configure your vehicle for a personalized driving experience. Requires a compatible OBD adapter.
Manage your Ram vehicle remotely, access owner information, and stay updated on recalls. Schedule service, contact your dealer, and enjoy enhanced convenience and peace of mind.