Fitbit Flex 2 vs. Michael Kors Grayson vs. Garmin Vivosmart 3 vs. Apple Watch Series 4 vs. Michael Kors Grayson vs. HTC re Grip

 
Flex 2
Grayson
Vivosmart 3
Watch Series 4
Grayson
re Grip
 FitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 3Remove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$350$139.99$329$350$199
Release201620182017201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours5 daysNot Yet24 hours5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 45464 x 128384 x 480453x454160 x 32
Sizen/a1.39 inchesNA1.78 inches1.39 inches1.8 inches
Touchn/a
TypeLEDAMOLEDOLEDMicroLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATMNot Yet1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWatch OS 5Android WearNA
Apps
Music

All Wearables