Fitbit Flex 2 vs. Garmin 645 Music vs. Michael Kors Access Sofie vs. Polar A370 vs. Michael Kors Access Sofie HR

 
Flex 2
645 Music
Access Sofie
A370
Access Sofie HR
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess SofieRemove Buy NowPolarA370Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$100$450$395$179.95$395
Release20162018201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days1 dayUp to 3 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240390 x 390 1.19 inches160 x 80390 x 390
Sizen/a1.2 inches1.18 inches1.19 inches
Touchn/aAMOLDED
TypeLEDMIPTFT LCDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMWR300.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Wear OS
Apps
Music

All Wearables