Oh, that’s interesting. I was under the impression that Garmin was best for the actual fitness stuff, but this is good to know

Never heard of gadgetbridge. Excited to switch over

Nextcloud, as mentioned, is a great option but does require a bit of work, albeit not much. I would recommend a Synology server. They’re fantastically simple and this was my approach after trying Nextcloud. I did this to divorce myself from Google. Synology has many mirrored services