Pebble 2 vs. Garmin Vivosmart HR vs. Michael Kors Grayson vs. Polar A370 vs. Michael Kors Grayson vs. Apple Watch Ultra

 
2
Vivosmart HR
Grayson
A370
Grayson
Watch Ultra
 Pebble2Remove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$129$170$350$179.95$350$799
Release201620152018201720182022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days24 hoursUp to 3 days24 hours36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68453 x 454160 x 80453x454502x410 pixels
Sizen/a1.08 inches1.39 inches1.18 inches1.39 inches1.92 inches
Touch
Typee-papern/aAMOLEDTFT LCDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATMWR301 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid WearAndroid WearWatchOS 9
Apps
Music

All Wearables