Fitbit Flex 2 vs. Michael Kors Grayson vs. Fitbit Charge vs. Jawbone UP24 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Flex 2
Grayson
Charge
UP24
Grayson
T-Rex
 FitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowJawboneUP24Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$350$130$130$350$140
Release201620182014201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours7-10 days14 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 454NANA453x454360 x 360
Sizen/a1.39 inchesNANA1.39 inches1.3 inches
Touchn/aNANA
TypeLEDAMOLEDOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM1 ATMSplash Resistant1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNANAAndroid WearBuild-in
Apps
Music

All Wearables