Fitbit Surge vs. Pebble Time Round vs. Polar Loop 2 vs. Michael Kors Grayson vs. Sony SmartBand vs. Michael Kors Grayson

 
Surge
Time Round
Loop 2
Grayson
SmartBand
Grayson
 FitbitSurgeRemove Buy NowPebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowSonySmartBandRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$200$120$350$100$350
Release201620152015201820142018

Activity & Fitness

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

Battery

Duration7 days2 days8 days (without notifications)24 hours5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/an/an/a453 x 454NA453x454
Size1.26 inchesroundn/a1.39 inchesNA1.39 inches
TouchNA
TypeMonochrome LCDe-paperLEDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX72 ATM1 ATMIP581 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables