Fitbit Surge vs. Michael Kors Grayson vs. Fitbit Charge vs. Polar A370 vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson

 
Surge
Grayson
Charge
A370
Access Sofie HR
Grayson
 FitbitSurgeRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowPolarA370Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$350$130$179.95$395$350
Release201620182014201720192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days24 hours7-10 daysUp to 3 days2 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454NA160 x 80390 x 390453x454
Size1.26 inches1.39 inchesNA1.18 inches1.19 inches1.39 inches
TouchNA
TypeMonochrome LCDAMOLEDOLEDTFT LCDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAWear OSAndroid Wear
Apps
Music

All Wearables