Fitbit Ionic vs. Fitbit Charge HR vs. Michael Kors Access Sofie HR vs. Amazfit GTS vs. Garmin VivoActive 4

 
Ionic
Charge HR
Access Sofie HR
GTS
VivoActive 4
 FitbitIonicRemove Buy NowFitbitCharge HRRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitGTSRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$299$150$395$150$349
Release20172015201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days2 days14 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250NA390 x 390348 x 442260 x 260
Size1.42NA1.19 inches1.65 inches1.3ionches
TouchNA
TypeOLEDOLEDOMOLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m1 ATM0.3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSNAWear OSWear OSWear OS
Apps
Music

All Wearables