Pebble Time Round vs. Polar A360 vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Michael Kors Grayson vs. HTC re Grip

 
Time Round
A360
Grayson
Watch Series 4
Grayson
re Grip
 PebbleTime RoundRemove Buy NowPolarA360Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$200$350$329$350$199
Release201520152018201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days12 days24 hoursNot Yet24 hours5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80453 x 454384 x 480453x454160 x 32
Sizeround1.18 inches1.39 inches1.78 inches1.39 inches1.8 inches
Touch
Typee-papern/aAMOLEDMicroLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7WR301 ATMNot Yet1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid WearWatch OS 5Android WearNA
Apps
Music

All Wearables