Fitbit Charge 4 vs Garmin Vivosmart 4: activity band face-off
Fitbit Charge 4 Review: The Fitness Tracker To Buy | Digital Trends
It seems to be a known thing that Fitbit has better sleep detection/interpretation than Garmin, but can anyone explain WHY? I recently bought a Venu, but still have a functioning Charge 4.
Garmin vs Fitbit: choose the right fitness watch for you | TechRadar