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

 
Flex 2
Stratos
Bip
Grayson
Access Sofie HR
Grayson
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowAmazfitBipRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$199$99.99$350$395$350
Release201620182018201820192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days30 days24 hours2 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300176 x 176453 x 454390 x 390453x454
Sizen/a1.34 inches1.28 inches1.39 inches1.19 inches1.39 inches
Touchn/a
TypeLEDOLEDNAAMOLEDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP681 ATM0.3 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryAndroid WearWear OSAndroid Wear
Apps
Music

All Wearables