Fitbit Charge 2 vs. Fitbit Flex 2 vs. Amazfit Stratos vs. Michael Kors Access Sofie vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Charge 2
Flex 2
Stratos
Access Sofie
Grayson
Grayson
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowMichael KorsAccess SofieRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$100$199$395$350$350
Release201620162018201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 days1 day24 hours24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 300390 x 390 1.19 inches453 x 454453x454
Sizen/an/a1.34 inches1.39 inches1.39 inches
Touchn/an/aAMOLDED
TypeOLEDLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM1 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryAndroid Wear 2.0Android WearAndroid Wear
Apps
Music

All Wearables