Fitbit Ionic vs. Fitbit Charge 3 vs. Garmin Instinct vs. Michael Kors Access Sofie HR vs. Amazfit T-Rex

 
Ionic
Charge 3
Instinct
Access Sofie HR
T-Rex
 FitbitIonicRemove Buy NowFitbitCharge 3Remove Buy NowGarminInstinctRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$150$300$395$140
Release20172018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days7 days14 days2 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution348x25066 x 18128 x 128390 x 390360 x 360
Size1.42.721 inches0.9 inches1.19 inches1.3 inches
Touch
TypeOLEDOLEDOMOLEDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM10 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSNAWear OSBuild-in
Apps
Music

All Wearables