Fitbit Blaze vs. TomTom Spark vs. Polar Loop 2 vs. Amazfit Stratos vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Blaze
Spark
Loop 2
Stratos
Grayson
Grayson
 FitbitBlazeRemove Buy NowTomTomSparkRemove Buy NowPolarLoop 2Remove Buy NowAmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$150$120$199$350$350
Release201620152015201820182018

Activity & Fitness

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

Battery

Duration5 Daysn/a8 days (without notifications)5 days24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a320 x 300453 x 454453x454
Sizen/an/an/a1.34 inches1.39 inches1.39 inches
Touch
TypeLCDLCDLEDOLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM2 ATM5 ATM1 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aProprietaryAndroid WearAndroid Wear
Apps
Music

All Wearables