Pebble Time Round vs. Fitbit Charge 2 vs. Polar Loop 2 vs. Diesel On Full Guard vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Time Round
Charge 2
Loop 2
On Full Guard
Grayson
Grayson
 PebbleTime RoundRemove Buy NowFitbitCharge 2Remove Buy NowPolarLoop 2Remove Buy NowDieselOn Full GuardRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$150$120$325$350$350
Release201520162015201720182018

Activity & Fitness

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

Battery

Duration2 days5 days8 days (without notifications)1 day24 hours24 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/an/a454 x 454453 x 454453x454
Sizeroundn/an/a1.4 inches1.39 inches1.39 inches
Touchn/a
Typee-paperOLEDLEDOMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7n/a2 ATMIP671 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aAndroid Wear 2.0Android WearAndroid Wear
Apps
Music

All Wearables