41+ iOS apps curated and reviewed
If you already know myGMC, this is the deeper bench. 41+ onstar gmc apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (425K) | Yes | No | Aug 2026 |
| 2 |  | Free | 4.8★ (23K) | Yes | No | Aug 2026 |
| 3 |  | Free | 4.8★ (956K) | Yes | No | Aug 2026 |
| 4 |  | Free | 5.0★ (1) | No | No | Aug 2026 |
| 5 |  | Free | 4.8★ (51K) | No | No | Aug 2026 |
| 6 |  | Free | — | No | No | May 2026 |
| 7 |  | Free | 3.6★ (13) | No | No | Jul 2026 |
| 8 |  | Free | — | No | No | May 2026 |
Remotely control your vehicle's climate, start the engine, and locate it. Monitor vital vehicle information like fuel, tire pressure, and oil life. Schedule service appointments and request roadside assistance directly from your smartphone.
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.
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.
This telematics tool helps businesses manage their vehicle fleets efficiently. It offers real-time performance tracking, health diagnostics, and driver feedback for vehicles from 2015 and newer GM models. The service is available with no long-term contract and a low monthly payment.
Manage your GMF account conveniently and securely on the go. Make payments, view your payment history, and update your information for your Chevrolet, Buick, GMC, or Cadillac vehicle. Access your account 24/7 from anywhere.
This app is an incentive program for non-GM dealers to help customers sign up for OnStar services. It allows users to track rewards, file claims, and manage customer sign-ups directly from their mobile device.
Manage your vehicle's service needs and explore new or pre-owned inventory. Easily schedule appointments, track service history, and contact the dealership. Stay informed about specials and events through notifications and coupons.
Manage your vehicle with real-time tracking, battery monitoring, and security features. Receive alerts for speeding and boundaries, access roadside assistance, and view trip history. Stay on top of maintenance with service reminders and browse dealership inventory.
Manage your vehicle with real-time tracking, battery monitoring, and security features. Receive alerts for speeding and boundaries, access roadside assistance, and view trip history. Browse dealership inventory and get service reminders.
