Fairfield County, Ohio, USA | johnk - 1/1/2026 10:44
I have an Apple Watch and you’re likely correct. If I ever want to disappear I’ll have to remmber to leave it.
2 years ago, before a minor heart procedure, I was encouraged by a cardiologist to get an Apple Watch to monitor my heart. It did that well and he would look at the compiled data.
For what it's worth, the difference between an Apple Watch and one of the OBDII monitors in this thread, is that the Apple Watch is fully capable of being used without reporting your info to other companies (including Apple). You just have to set up the apps to work that way. (Many apps incentivize you to give them your data, but I discourage that as much as possible.) The OBDII vehicle monitors are intentionally designed to report every little aspect of your driving (and vehicle's performance) to whoever configured them.
I've been a happy Apple Watch user for many years now, and I'm very careful about which apps I allow to see my data. But you could not pay me to put an OBDII monitor (or anything similar) in my vehicles.
(After the fact edit: I can't speak for other brands of smart watch. I strongly suspect that they don't have the same level of optional privacy protection that Apple Watch does, but I'd have to look much deeper into that, on a per-model basis.)
Edited by aNullValue 1/1/2026 09:56
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