Obligatory reminder: Gadgetbridge [1] is an Android mobile application without network permission, acting as a companion for your smart weareables. Your data about you stays yours. Your conversations forwarded as notifications aren't going anywhere else.
[1] Blog: https://blog.freeyourgadget.org/ Homepage: http://gadgetbridge.org / Codeberg repo: https://codeberg.org/Freeyourgadget/Gadgetbridge