Fitbit Ionic vs. Amazfit Arc vs. Amazfit Cor vs. Michael Kors Access Sofie HR vs. Amazfit GTR

 
Ionic
Arc
Cor
Access Sofie HR
GTR
 FitbitIonicRemove Buy NowAmazfitArcRemove Buy NowAmazfitCorRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$299$69.99$79.99$395$199
Release20172016201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days20 days12 days2 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x25072 x4080 x 160390 x 390454 x 454
Size1.420.42 inches1.23 inches1.19 inches1.39 inches
Touch
TypeOLEDOLEDIPS LCDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP675 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWear OSBuild-in
Apps
Music

All Wearables