Fitbit Ionic vs. Amazfit Arc vs. Michael Kors Grayson vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson vs. Garmin VivoActive 4

 
Ionic
Arc
Grayson
Access Sofie HR
Grayson
VivoActive 4
 FitbitIonicRemove Buy NowAmazfitArcRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$299$69.99$350$395$350$349
Release201720162018201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days20 days24 hours2 days24 hours8 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x25072 x40453 x 454390 x 390453x454260 x 260
Size1.420.42 inches1.39 inches1.19 inches1.39 inches1.3ionches
Touch
TypeOLEDOLEDAMOLEDOMOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP671 ATM0.3 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid WearWear OSAndroid WearWear OS
Apps
Music

All Wearables