Pebble Time Round vs. Polar Loop 2 vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. Michael Kors Grayson vs. HTC re Grip

 
Time Round
Loop 2
Grayson
Watch Series 4
Grayson
re Grip
 PebbleTime RoundRemove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$120$350$329$350$199
Release201520152018201820182020

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)24 hoursNot Yet24 hours5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454384 x 480453x454160 x 32
Sizeroundn/a1.39 inches1.78 inches1.39 inches1.8 inches
Touch
Typee-paperLEDAMOLEDMicroLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX72 ATM1 ATMNot Yet1 ATMIP57

Notifications

Phone
Emails
Texts

Software

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

All Wearables