
Empatica
WHOOP Strap
ŌURA Ring
Scarab
Welltory
NudgeLabs
SfUIT
T-Tracks
Loop Habit Tracker
Habitica
Habitify
Streaks
HabitKit - Habit Tracker
HabitBull
everyday.app
Everyday
I guess it's really safe cause it's open source, you can make notes on your habits but don't really do that. Its simple. Really fast. Haven't found a way to connect it to notion. In general it's a great app to track you habits. Does its job. Not more, not less.
WHOOP Strap - The world's most powerful training and recovery tool
Habitica - Habitica is a free habit building and productivity application.
ŌURA Ring - Advanced sleep and fitness tracker
Habitify - The easiest way to keep track of your habits
Scarab - Wearable technology
Streaks - The to-do list that helps you form good habits.