Polar A360 vs. Diesel On Full Guard vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
A360
On Full Guard
Grayson
Grayson
Inspire HR
T-Rex
 PolarA360Remove Buy NowDieselOn Full GuardRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$325$350$350$99$140
Release201520172018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days1 day24 hours24 hours5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80454 x 454453 x 454453x454139 x 60360 x 360
Size1.18 inches1.4 inches1.39 inches1.39 inches1.4 inches1.3 inches
Touch
Typen/aOMOLEDAMOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR30IP671 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0Android WearAndroid WearFitbit OSBuild-in
Apps
Music

All Wearables