Polar M600 vs. TomTom Spark vs. Polar Loop 2 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. HTC re Grip

 
M600
Spark
Loop 2
Grayson
Grayson
re Grip
 PolarM600Remove Buy NowTomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$150$120$350$350$199
Release201620152015201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/an/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2 daysn/a8 days (without notifications)24 hours24 hours5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/an/a453 x 454453x454160 x 32
Size1.3 inchesn/an/a1.39 inches1.39 inches1.8 inches
Touchn/a
TypeTFTLCDLEDAMOLEDAMOLEDPMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM2 ATM1 ATM1 ATMIP57

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aAndroid WearAndroid WearNA
Apps
Music

All Wearables