Fitbit Charge 2 vs. Michael Kors Grayson vs. Polar Loop vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson vs. Apple Watch Ultra

 
Charge 2
Grayson
Loop
Access Sofie HR
Grayson
Watch Ultra
 FitbitCharge 2Remove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$150$350$100$395$350$799
Release201620182013201920182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours5 days2 days24 hours36 hrs
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454NA390 x 390453x454502x410 pixels
Sizen/a1.39 inchesNA1.19 inches1.39 inches1.92 inches
Touchn/a
TypeOLEDAMOLEDLEDOMOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a1 ATM2 ATM0.3 ATM1 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAWear OSAndroid WearWatchOS 9
Apps
Music

All Wearables