Fitbit Surge vs. Pebble Time Round vs. Fitbit Charge 2 vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Michael Kors Grayson

 
Surge
Time Round
Charge 2
Grayson
Alta HR
Grayson
 FitbitSurgeRemove Buy NowPebbleTime RoundRemove Buy NowFitbitCharge 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$200$150$350$150$350
Release201620152016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days5 days24 hours7 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a453 x 454128 x 36453x454
Size1.26 inchesroundn/a1.39 inches1.4 inches1.39 inches
Touchn/a
TypeMonochrome LCDe-paperOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX7n/a1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSn/aAndroid WearAndroid Wear
Apps
Music

All Wearables