Man, I’ve looked into stuff like that before, and the apps that do it always cost an arm and a leg. Why do they gotta charge so much for one feature?
Before you open your wallet, have you tried the free options? Google’s own “Find My Device” lets you locate and lock a phone remotely for free. It won’t access the camera, but it’s a start.
On that note, if anyone knows of any good deals or a free app that actually does the camera thing without a crazy subscription, I’m all ears