There's an app called D-Vasive (no affiliation) that alerts of mic and camera usage on your phone. I've been using it for years, but it's only alerted me in pre

There's an app called D-Vasive (no affiliation) that alerts of mic and camera usage on your phone. I've been using it for years, but it's only alerted me in predictable situations so far. I don't download a whole lot of apps however. It’s nice to have as a bit of peace of mind.