Fitbit Surge vs. Pebble Time Round vs. ASUS ZenWatch 3 vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson

 
Surge
Time Round
ZenWatch 3
Grayson
A370
Grayson
 FitbitSurgeRemove Buy NowPebbleTime RoundRemove Buy NowASUSZenWatch 3Remove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$200$229$350$179.95$350
Release201620152017201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days48 hours24 hoursUp to 3 days24 hours
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400453 x 454160 x 80453x454
Size1.26 inchesround1.39 inches1.39 inches1.18 inches1.39 inches
Touch
TypeMonochrome LCDe-paperAMOLEDAMOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX71 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSAndroid Wear 2Android WearAndroid Wear
Apps
Music

All Wearables