Amazfit Stratos vs. Fitbit Alta HR vs. Polar A370 vs. Michael Kors Access Sofie HR vs. Fitbit Inspire HR

 
Stratos
Alta HR
A370
Access Sofie HR
Inspire HR
 AmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$199$150$179.95$395$99
Release20182017201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 daysUp to 3 days2 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300128 x 36160 x 80390 x 390139 x 60
Size1.34 inches1.4 inches1.18 inches1.19 inches1.4 inches
Touch
TypeOLEDOLEDTFT LCDOMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR300.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryWear OSFitbit OS
Apps
Music

All Wearables