Yep, I used to have a gauge on the manifold, but after it spewed fluid, and having a couple of dry gauges fail, I replaced it with a schrader valve and used to check it with a hand-held gauge. Now I just put one of the TPMS sensors on it and I watch the tire pressure from the comfort of my seat...
https://morrflate.com/shop/air-sources/portable-compressors/morrflate-tensix-portable-12v-off-road-air-compressor/
I'm thinking this compressor is designed to work at tire pressures, instead of pneumatic tool pressures.
I personally ran a cheap chinese Smittybuilt compressor for 7 years before...