Amazfit Stratos vs. Michael Kors Grayson vs. Fitbit Flex vs. Jawbone UP2 vs. Michael Kors Grayson vs. HTC re Grip

 
Stratos
Grayson
Flex
UP2
Grayson
re Grip
 AmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowJawboneUP2Remove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$199$350$100$100$350$199
Release201820182013201520182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours5 days7 days24 hours5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300453 x 454NANA453x454160 x 32
Size1.34 inches1.39 inchesNANA1.39 inches1.8 inches
TouchNANA
TypeOLEDAMOLEDLEDNAAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATMSplash resistant1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryAndroid WearNANAAndroid WearNA
Apps
Music

All Wearables