Fitbit Surge vs. Pebble Time Round vs. Fitbit Flex 2 vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson

 
Surge
Time Round
Flex 2
Grayson
Core
Grayson
 FitbitSurgeRemove Buy NowPebbleTime RoundRemove Buy NowFitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowPebbleCoreRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$200$100$350$99$350
Release201620152016201820162018

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration7 days2 days5 days24 hoursNA24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a453 x 454NA453x454
Size1.26 inchesroundn/a1.39 inchesNA1.39 inches
Touchn/aNA
TypeMonochrome LCDe-paperLEDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX75 ATM1 ATMNA1 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aPebble OSn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables