I mostly use the one in my tire inflator. It's off 1-2 PSI but once you know that, you mentally compensate. Otherwise I've got some of the old school chrome pencil type that I hardly ever use, and
this cheap digital one that someone gave to me, works fine after 10 years of use but the inner nub that depresses the valve stem is plastic and slowly wearing away.
The rubberized coating on it had also turned to goo a few years back but that is common in this type of stuff and I just scrubbed the goo off with an SOS steel wool pad., after taking it apart enough to get the handle off.
Due to that nub issue, if I were to buy again without spending a lot of time researching it, I'd get one of the following Tektons as it appears to have a brass nub that shouldn't wear away much if at all, plus some cheap items aren't worth it to me to invest the time, so #1 sellers on amazon become my default choice...
The CR2032 battery should last for several years and the LR44, will probably need replaced in its lifetime but I end up buying those for various trinkets I own anyway so in bulk on eBay they're only ~10 cents a piece.
https://www.amazon.com/TEKTON-5941-Digital-Tire-Gauge/dp/B0037V0EW8