Unofficial GoPro App for Pebble smartwatches
Unofficial GoPro Remote for Pebble watches
GoPro HERO9 and beyond are not supported due to the control API being Bluetooth only.
For MAX and Hero8 cameras, you need to first enable WiFi (use the GoPro App), then leave the GoPro App open, lock your phone and you can use the pebble app.
https://apps.rebble.io/en_US/application/57ef907a05e4b17e1c000186
HERO4 Black, Silver / HERO5 Black: https://vimeo.com/195210890
HERO4 Session / HERO5 Session: https://vimeo.com/197495311