Fitbit Ionic vs. Michael Kors Grayson vs. Polar A370 vs. Polar Loop vs. Diesel On Full Guard 2.5 vs. Michael Kors Grayson

 
Ionic
Grayson
A370
Loop
On Full Guard 2.5
Grayson
 FitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$299$350$179.95$100$325$350
Release201720182017201320182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days24 hoursUp to 3 days5 days4 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250453 x 454160 x 80NA454x454453x454
Size1.421.39 inches1.18 inchesNA1.39 inches1.39 inches
Touch
TypeOLEDAMOLEDTFT LCDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m1 ATMWR302 ATM3 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid WearNAWear OSAndroid Wear
Apps
Music

All Wearables