Fitbit Flex 2 vs. Michael Kors Grayson vs. Samsung Galaxy Watch vs. Polar A370 vs. Michael Kors Grayson vs. Apple Watch Ultra

 
Flex 2
Grayson
Galaxy Watch
A370
Grayson
Watch Ultra
 FitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGalaxy WatchRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$350$330$179.95$350$799
Release201620182018201720182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours7 daysUp to 3 days24 hours36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 454360 x 360160 x 80453x454502x410 pixels
Sizen/a1.39 inches1.2 inches or 1.3 inches1.18 inches1.39 inches1.92 inches
Touchn/a
TypeLEDAMOLEDAMOLEDTFT LCDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATMWR301 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearTizen OSAndroid WearWatchOS 9
Apps
MusicSpotify

All Wearables