Fitbit Flex 2 vs. Garmin 645 Music vs. Michael Kors Access Sofie vs. Garmin Vivosmart 3 vs. HTC re Grip

 
Flex 2
645 Music
Access Sofie
Vivosmart 3
re Grip
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess SofieRemove Buy NowGarminVivosmart 3Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$450$395$139.99$199
Release20162018201720172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days1 day5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240390 x 390 1.19 inches64 x 128160 x 32
Sizen/a1.2 inchesNA1.8 inches
Touchn/aAMOLDED
TypeLEDMIPOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NA
Apps
Music

All Wearables