Fitbit Flex 2 vs. Amazfit Bip vs. Apple Watch vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit GTR

 
Flex 2
Bip
Watch
Grayson
Grayson
GTR
 FitbitFlex 2Remove Buy NowAmazfitBipRemove Buy NowAppleWatchRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$99.99$349$350$350$199
Release201620182015201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 days18 hours24 hours24 hours24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a176 x 176340 x 272 or 390 x 312453 x 454453x454454 x 454
Sizen/a1.28 inches1.5 inches or 1.65 inches1.39 inches1.39 inches1.39 inches
Touchn/a
TypeLEDNAAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP68IPX71 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables