Fitbit Ionic vs. Garmin Forerunner 935 vs. Amazfit Arc vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Ionic
Forerunner 935
Arc
Grayson
Grayson
Vivosmart 4
 FitbitIonicRemove Buy NowGarminForerunner 935Remove Buy NowAmazfitArcRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$299$500$69.99$350$350$130
Release201720172016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ daysUp to 2 weeks20 days24 hours24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250240 x 24072 x40453 x 454453x45448 x 128
Size1.421.2 inches0.42 inches1.39 inches1.39 inches0.74 inches
Touch
TypeOLEDLCDOLEDAMOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATMIP671 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid WearAndroid Wear
Apps
Music

All Wearables