Fitbit Ionic vs. Michael Kors Grayson vs. Polar Loop vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson vs. HTC re Grip

 
Ionic
Grayson
Loop
Access Sofie HR
Grayson
re Grip
 FitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$299$350$100$395$350$199
Release201720182013201920182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days24 hours5 days2 days24 hours5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250453 x 454NA390 x 390453x454160 x 32
Size1.421.39 inchesNA1.19 inches1.39 inches1.8 inches
Touch
TypeOLEDAMOLEDLEDOMOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m1 ATM2 ATM0.3 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid WearNAWear OSAndroid WearNA
Apps
Music

All Wearables