Pebble Time Round vs. Polar Loop 2 vs. Garmin Chronos vs. Michael Kors Grayson vs. Fitbit Alta HR vs. Michael Kors Grayson

 
Time Round
Loop 2
Chronos
Grayson
Alta HR
Grayson
 PebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowGarminChronosRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$120$1500$350$150$350
Release201520152018201820172018

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)8 days24 hours7 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a218 x 218453 x 454128 x 36453x454
Sizeroundn/a1.2 inches1.39 inches1.4 inches1.39 inches
Touch
Typee-paperLEDMIPAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATM10 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWear OSAndroid WearAndroid Wear
Apps
Music

All Wearables