You want real infinite storage space? Here you go: https://github.com/philipl/pifs

Nice list!

Is ther any indication that it is local only? Is the product exposed API documented?

You asked why people are pissed off by apps, here is some reasons. I honestly couldn’t care less for that toy belt.

Calibration needs is not an excuse to give up on privacy.

First example in mind: https://www.jeffgeerling.com/blog/2025/i-wont-connect-my-dishwasher-your-stupid-cloud

And a 2nd one: https://www.tomshardware.com/networking/your-washing-machine-could-be-sending-37-gb-of-data-a-day

Usually the issue with app dependent products, is that it rely on a fucking cloud connection. That imply that if the cloud service goes down or the company collapse, your their product become unusable. Yet all corps continue to do it as it is super handy to track their pigeon users. Data can then be sold or used to plot growth curves that gives their CEO an erection.

Also it probably requires you to have a google or apple account.