Fitbit Flex 2 vs. Michael Kors Grayson vs. Fitbit Flex vs. Diesel On Full Guard 2.5 vs. Michael Kors Grayson vs. Amazfit GTS

 
Flex 2
Grayson
Flex
On Full Guard 2.5
Grayson
GTS
 FitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$350$100$325$350$150
Release201620182013201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours5 days4 days24 hours14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 454NA454x454453x454348 x 442
Sizen/a1.39 inchesNA1.39 inches1.39 inches1.65 inches
Touchn/aNA
TypeLEDAMOLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATM3 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAWear OSAndroid WearWear OS
Apps
Music

All Wearables