Microsoft Band 2 vs. Polar Loop 2 vs. Michael Kors Access Sofie vs. Fitbit Flex vs. Amazfit GTR

 
Band 2
Loop 2
Access Sofie
Flex
GTR
 MicrosoftBand 2Remove Buy NowPolarLoop 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$120$395$100$199
Release20152015201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours (without GPS)8 days (without notifications)1 day5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 128n/a390 x 390 1.19 inchesNA454 x 454
Size1.36 inchesn/aNA1.39 inches
TouchAMOLDEDNA
TypeCapacitative TFTLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0NABuild-in
Apps
Music

All Wearables