Fitbit Alta vs. Michael Kors Grayson vs. Fitbit Flex vs. Fitbit Versa 2 vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Alta
Grayson
Flex
Versa 2
Grayson
T-Rex
 FitbitAltaRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowFitbitVersa 2Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$350$100$199$350$140
Release201620182013201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours5 days5 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454NA300 x 300453x454360 x 360
Sizen/a1.39 inchesNA1.34 inches1.39 inches1.3 inches
Touchn/aNA
TypeOLEDAMOLEDLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a1 ATM1 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid WearNABuild-inAndroid WearBuild-in
Apps
Music

All Wearables