Pebble Time Round vs. Sony SmartBand Talk vs. Michael Kors Grayson vs. Fitbit Flex vs. Polar A370 vs. Michael Kors Grayson

 
Time Round
SmartBand Talk
Grayson
Flex
A370
Grayson
 PebbleTime RoundRemove Buy NowSonySmartBand TalkRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$170$350$100$179.95$350
Release201520142018201320172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days3 days24 hours5 daysUp to 3 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a296 x 128453 x 454NA160 x 80453x454
Sizeround1.4 inches1.39 inchesNA1.18 inches1.39 inches
TouchNA
Typee-paperE InkAMOLEDLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IP681 ATM1 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid WearAndroid WearNAAndroid Wear
Apps
Music

All Wearables