Wearable Device Reviews

From fitness watches and smart rings to continuous glucose monitors — independently reviewed wearables that help you track what matters for longevity.

Side-by-Side Comparison

Garmin Fenix 8Oura Ring 4Garmin Venu 3Apple Watch Ultra 2WHOOP 4.0
Price$999$299 + $5.99/mo membership$449$799$239 /year subscription
CategoryMultisport WatchSmart RingSmartwatchSmartwatchRecovery Band
Spanwise Score9.2/109/108.7/108.3/107.8/10
VO2 Max Estimation
Sleep Staging
HRV Monitoring
GPS
Multi-Week Battery