An LG executive explains …

Pass.

Honestly I’ve not tried but it is bluetooth

I know you said watch and time so I’m speaking out of line.

I use a Polar Chest Strap for HR measurement. More accurate

Honestly can’t remember at this point. I also tried both and couldn’t decide back when I was comparing.

I think I started with gotify but struggled getting it working with one of my use cases and ntfy was able.

I don’t know if things have changed so I guess try both and see what best suits you

I personally chose ntfy over gotify and use it everywhere