Exactly.

These services are containerised on personal devices so that its services can only be administered within the app container.

It has limited to no control over the phone itself or apps outside of its MDM container in the context of personal devices.

Bissel have a range of spot cleaners that work well with mattresses.

https://bissell.com.au/blogs/news/bissell-home-cleaning-guide#Bedroom

Took a couple of runs with my Bissell but it removed tough sweat stains effectively.

TrackerControl for my android and then the router configured to use NordVPN for specific devices.

Allows me to not only allow and block telemetry and tracking for specific applications at a device level but also route traffic how I want to.