Polar M600 vs. Fitbit Ionic vs. Michael Kors Grayson vs. Michael Kors Grayson vs. HTC re Grip vs. Apple Watch 7

 
M600
Ionic
Grayson
Grayson
re Grip
Watch 7
 PolarM600Remove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$330$299$350$350$199$429
Release201620172018201820202021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days4+ days24 hours24 hours5 hours to 2.5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240348x250453 x 454453x454160 x 32396 x 484
Size1.3 inches1.421.39 inches1.39 inches1.8 inches1.9 inches
Touchn/a
TypeTFTOLEDAMOLEDAMOLEDPMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX850m1 ATM1 ATMIP57water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearFitbit OSAndroid WearAndroid WearNAWatchOS 8
Apps
Music

All Wearables