Fitbit Flex 2 vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson vs. Garmin VivoActive 4 vs. Apple Watch 7

 
Flex 2
Grayson
Core
Grayson
VivoActive 4
Watch 7
 FitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivoActive 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$100$350$99$350$349$429
Release201620182016201820192021

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days24 hoursNA24 hours8 days18 Hours
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 454NA453x454260 x 260396 x 484
Sizen/a1.39 inchesNA1.39 inches1.3ionches1.9 inches
Touchn/aNA
TypeLEDAMOLEDNAAMOLEDMIPMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMNA1 ATM5 ATMwater resistant but not waterproof

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNAAndroid WearWear OSWatchOS 8
Apps
Music

All Wearables