myGMC

• Free

Last verified 30 Aug 2026

4.8 425848 ratings · App Store

1. 5/5Worth it ?

   I’ve always loved this app since owning my GMC truck. I refer to it regularly and use it to monitor the diagnostics of my truck. Recently, I intentionally locked the keys in my truck, no big deal right…I’ll use the app to unlock it and start it right up. Not the case. Unfortunately, I lost my phone. Once I return to get a new phone the app will not locate, unlock or start my truck. I was thinking, I understand…it’s the new phone??? I contact GMC customer service. They, nor “OnStar” can ping my truck to simply unlock the pickup for me. I guess this is one scenario that either failed or just didn’t get tested in the brainstorming phase. I had to get a locksmith to unlock the doors, which we all know that’s not cheap. Face it, most people hate attorneys at $400 an hour but how does that compare to a locksmith for $100 for normally 5 - 10 minutes. I apologize, just wanted to add some humor to my first review. Yes, I will continue to pay for and use my GMC app and services, maybe a little more cautiously from now on. Bottom line and not to knock the engineers but maybe this helps someone??? Be nice to the locksmith regardless of his demeanor or appearance. Most of us never control our emotions or can stay calm when we misplace, lose or forget where we put our wallets, keys, or phones. Learning lesson, pray more. GOD bless the United States!!!

   1SG AA · 30 Aug 2026

2. 5/5Less than 1 star

   I already pay for onstar ... and now apparently to use the MYGMC app I’m supposed to pay again. Other brands do all this for free. No onstar required. But added to all that - the app didn’t work before the update and now won’t even open properly. Other reviewers have experienced the same issue. And no GMC - I’m not doing anything more than report the app here. I’m not wasting any more of my time with instructions to then report issues via email. This is your business and your problem to fix from the app responses and ratings. It’s crippling your branding a little bit more everyday. It’s horrible customer service and will be remembered by many of here when it’s time to buy a new vehicle. I shouldn’t have to pay onstar or you to unlock my vehicle remotely by an app or start my vehicle by the app. It’s horrible service to your customers. Let me add that I pay for premium WiFi and it fails continuously and requires a phone call to have it reset. It’s horrible customer service and these are services that customers need and require in 2024.

   Em.jay.21054 · 30 Aug 2026

3. 2/5Nice Features, but EXPENSIVE Plans

   The app has generally nice features. While we were in the “honeymoon” phase after buying a new vehicle, it was very handy and worked well. However, after the one month trial period, to take advantage of all of the features, you need to purchase an additional plan. As of this writing, the cheapest plan is $15/month. That is in addition to any OnStar plan you are also paying for (again, as of this writing, the least expensive plan is $25/month). You can choose a plan with OnStar and app features, but there is no discount given. Overall, displeased with GM. But as I said, the app works well. Of course, not sure how many times I’ll use it to look at the owner’s manual, which is about all I can do with it now. Unfortunately, it is difficult to divorce the app rating from the “total service” rating, which would include the service plans and pricing. I tried to strike a balance. The app would get 4 stars and the service 0, which to me equals 2 in total. In the end, I cancelled the OnStar plans on my new truck and my wife’s Acadia (which, oddly, still had full app access without having an additional plan... surely an oversight that would have eventually been corrected). I just didn’t see the value. I had always liked the OnStar concept, at a reasonable price. And the app functions were a nice add on to the monthly OnStar service fee. But with the plan pricing now making the unique OnStar service less of a value, GM is indistinguishable from other auto manufactures.

   dls929 · 30 Aug 2026

4. 1/5App update...now doesn’t work!

   I used to use this app daily as part of my daily routine. Each morning I used the app remote functions to warm up my car as I got ready for work. Since the new update, my remote functions are lost, all my data is gone and it doesn’t recognize I even have a plan with Onstar. I’ve tried several times with customer service to try to get this resolved as it’s been an inconvenience not to be able to use the features the app provides and not to mention still paying for it when it doesn’t work is a little frustrating. The customer reps keep talking me through the same steps...delete app and reinstall, log out and log back in, pull down on the main menu to let it update (doesn’t even give me an option to pull down btw) and been told twice that this issue has been escalated and will receive a call back. First time I received a call back, the lady was short and rude and walked me through the same steps as before and again said it will be escalated and I will receive a callback. It’s been 3 days as of today with no call back and an app that still doesn’t work. Worked fine before the update, now it’s like I’ve been erased off the data base all together. Unhappy Onstar customer and I’ll be canceling my service. Amazing that no one from Onstar or the people that created the My GMC app and responsible for the update that crippled my app can help fix this issue.

   Avram79 · 30 Aug 2026

5. 1/5Garbage App

   Unfortunately there is no other option to use with my GMC vehicle. The app, support, and customer service are terrible. I live in a cold climate and only pay for OnStar to have the ability to start my vehicle in the cold mornings. The app rarely works and when it does it’s only after logging in, closing the app, and logging back in. It has a button to toggle that says it will keep you logged in for 365 days but has never kept me logged in for than 24 hours. Most cold days the app fails and says “no response from server”. I have contacted customer support numerous times and they’re Solution is to delete the app, re-download the app, log in, and try again. This usually fixes the problem but is rather inconvenient to spend 15 minutes troubleshooting when you’re trying to get to work or go home. The last technician suggested I go to my vehicle and get on the Wi-Fi and then the app might work because it was likely the 4g LTE server that wasn’t responding because they don’t have any issues with their app or server. He wanted me to go to my vehicle, start my vehicle, join the Wi-Fi, then my app would probably work to start my vehicle in the freezing cold weather. If you’re looking for a new vehicle with remote start ability, GM products are not for you. If you already have a GM product, I’m sorry. But GM will be sure to tell you they don’t have any issues with their app or their servers. All issues must be due to the Wi-Fi server, the LTE server, your home internet, your phone brand and/or model, or you not being physically inside your vehicle when using your remote App

   declund · 30 Aug 2026

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