Fitbit Charge 2 vs. Fitbit Ionic vs. Michael Kors Access Sofie vs. Fitbit Flex vs. Apple Watch Series 4

 
Charge 2
Ionic
Access Sofie
Flex
Watch Series 4
 FitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$299$395$100$329
Release20162017201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days1 day5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250390 x 390 1.19 inchesNA384 x 480
Sizen/a1.42NA1.78 inches
Touchn/aAMOLDEDNA
TypeOLEDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m1 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid Wear 2.0NAWatch OS 5
Apps
Music

All Wearables