Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Amazfit Stratos vs. Amazfit Bip vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Flex 2
Vivosmart HR
Stratos
Bip
Grayson
Grayson
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowAmazfitStratosRemove Buy NowAmazfitBipRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$170$199$99.99$350$350
Release201620152018201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 days30 days24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68320 x 300176 x 176453 x 454453x454
Sizen/a1.08 inches1.34 inches1.28 inches1.39 inches1.39 inches
Touchn/a
TypeLEDn/aOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryAndroid WearAndroid Wear
Apps
Music

All Wearables