It's a brand new thing so will have some growing pains, but I've been using mine daily for a few months and it really helps to capture those fleeting thoughts!
Tep - Fitness tracker meets tamagotchi. Don't starve it!
Flipper Zero - A portable multi-tool device styled as a Tamagotchi
HB Ring - See and feel the real-time heartbeat of your loved one
Nomi - A creature for your Apple Watch you need to keep alive
ŌURA Ring - Advanced sleep and fitness tracker
ActivityTracker - Auto step counter/pedometer for Android, iPhone, or Watch