Right, that's what confuses me the most. I was very surprised to find the reddit thread showing that other people are also having this specific app silently installed on their devices.
It shouldn’t do that, obviously, but headspace does seem like it’s one that bundles “free” with a bunch of health insurance, education, etc.
From a debugging perspective, without having Apples information, I kinda want to know if all affected users have some related health or education apps.