Amazfit Arc vs. Amazfit Bip vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Polar A370 vs. Michael Kors Grayson

 
Arc
Bip
Grayson
Charge HR
A370
Grayson
 AmazfitArcRemove Buy NowAmazfitBipRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$69.99$99.99$350$150$179.95$350
Release201620182018201520172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days30 days24 hours5 daysUp to 3 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40176 x 176453 x 454NA160 x 80453x454
Size0.42 inches1.28 inches1.39 inchesNA1.18 inches1.39 inches
TouchNA
TypeOLEDNAAMOLEDOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP681 ATM1 ATMWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNAAndroid Wear
Apps
Music

All Wearables