Motorola Moto 360 (2nd Gen) vs. TomTom Spark vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Moto 360 (2nd Gen)
Spark
Grayson
Flex
Grayson
Vivosmart 4
 MotorolaMoto 360 (2nd Gen)Remove Buy NowTomTomSparkRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$300$150$350$100$350$130
Release201520152018201320182018

Activity & Fitness

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

Battery

Duration1.5 daysn/a24 hours5 days24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 325 or 360 x 330n/a453 x 454NA453x45448 x 128
Size1.37 inches or 1.56 inchesn/a1.39 inchesNA1.39 inches0.74 inches
TouchNA
TypeLCDLCDAMOLEDLEDAMOLEDOLED

Functions

Audio SpeakerBluetoothBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATM1 ATM1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aAndroid WearNAAndroid Wear
Apps
Musicn/a

All Wearables