Polar M600 vs. Sony SmartBand 2 vs. Withings Pulse Ox vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple Watch 7

 
M600
SmartBand 2
Pulse Ox
Grayson
Grayson
Watch 7
 PolarM600Remove Buy NowSonySmartBand 2Remove Buy NowWithingsPulse OxRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$330$130$120$350$350$429
Release201620152014201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 days2 weeks24 hours24 hours18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/ablue
Resolution240 x 240n/a128 x 32453 x 454453x454396 x 484
Size1.3 inchesn/an/a1.39 inches1.39 inches1.9 inches
Touchn/an/aSwipe
TypeTFTn/aOLEDAMOLEDAMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP581 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aAndroid WearAndroid WearWatchOS 8
Apps
Music

All Wearables