Pebble Time Round vs. Fitbit Charge 2 vs. Polar Loop 2 vs. Michael Kors Grayson vs. Diesel On Full Guard 2.5 vs. Michael Kors Grayson

 
Time Round
Charge 2
Loop 2
Grayson
On Full Guard 2.5
Grayson
 PebbleTime RoundRemove Buy NowFitbitCharge 2Remove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$150$120$350$325$350
Release201520162015201820182018

Activity & Fitness

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

Battery

Duration2 days5 days8 days (without notifications)24 hours4 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/an/a453 x 454454x454453x454
Sizeroundn/an/a1.39 inches1.39 inches1.39 inches
Touchn/a
Typee-paperOLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7n/a2 ATM1 ATM3 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aAndroid WearWear OSAndroid Wear
Apps
Music

All Wearables