Fitbit Surge vs. Fitbit Charge 2 vs. Fitbit Ionic vs. Michael Kors Access Sofie vs. Amazfit GTR

 
Surge
Charge 2
Ionic
Access Sofie
GTR
 FitbitSurgeRemove Buy NowFitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowMichael KorsAccess SofieRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$150$299$395$199
Release20162016201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days4+ days1 day24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a348x250390 x 390 1.19 inches454 x 454
Size1.26 inchesn/a1.421.39 inches
Touchn/aAMOLDED
TypeMonochrome LCDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a50m1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSAndroid Wear 2.0Build-in
Apps
Music

All Wearables