TomTom Spark vs. Fitbit Flex 2 vs. Michael Kors Grayson vs. Fitbit Flex vs. Polar Loop vs. Michael Kors Grayson

 
Spark
Flex 2
Grayson
Flex
Loop
Grayson
 TomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$150$100$350$100$100$350
Release201520162018201320132018

Activity & Fitness

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

Battery

Durationn/a5 days24 hours5 days5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a453 x 454NANA453x454
Sizen/an/a1.39 inchesNANA1.39 inches
Touchn/aNA
TypeLCDLEDAMOLEDLEDLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM1 ATM2 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid WearNANAAndroid Wear
Apps
Music

All Wearables