Not the best. In January 2024 the watch had the back cover pop off and for a reasonable amount, they replaced it (even though it was out of warranty). Two years later, the back cover pops off the replacement watch. Sent a picture of it and talked to rep and he says the back popped off because the battery has swollen. He says not to leave the watch on the charger all the time. I only put the watch on my spouse when needed. When I need it I want it charged up. Tranquil knows that they have a battery issue and didn't say anything about it two years ago and now I have the same issue. Tranquil only offered $250 off a watch which is far less than the previous discount. I cancelled the service on March 9th. The subscription renewed on March 9th and they only offered me 11 months prorated. So they charged me one month of service for one day, claiming that they already paid their subcontractor (carrier). I don't care what their internal business arrangements are. My agreement isn't with the subcontractor. In addition to the above, I have had issues with tracking. On several occasions, I have had to shut down the app and power down the phone in order to for it to tell me where my spouse was. Refreshing the position location didn't help, so its not that reliable. I'm going to go the Google Pixel 4 route. Cell coverage on the watch is free as a part of my service and allows sharing of the watches location.