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

 
Flex 2
Bip
Grayson
Grayson
T-Rex
 FitbitFlex 2Remove Buy NowAmazfitBipRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$99.99$350$350$140
Release20162018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 days24 hours24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a176 x 176453 x 454453x454360 x 360
Sizen/a1.28 inches1.39 inches1.39 inches1.3 inches
Touchn/a
TypeLEDNAAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP681 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables