Fitbit Flex 2 vs. Garmin Vivofit 3 vs. Amazfit Stratos vs. Michael Kors Grayson vs. Michael Kors Grayson vs. HTC re Grip

 
Flex 2
Vivofit 3
Stratos
Grayson
Grayson
re Grip
 FitbitFlex 2Remove Buy NowGarminVivofit 3Remove Buy NowAmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$100$199$350$350$199
Release201620162018201820182020

Activity & Fitness

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

Battery

Duration5 days1 year5 days24 hours24 hours5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a64 x 64320 x 300453 x 454453x454160 x 32
Sizen/a0.55 inches1.34 inches1.39 inches1.39 inches1.8 inches
Touchn/a
TypeLEDn/aOLEDAMOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryAndroid WearAndroid WearNA
Apps
Music

All Wearables