Fitbit Charge 2 vs. Fitbit Ionic vs. Garmin Chronos vs. Fitbit Flex vs. Garmin Vivosmart 4

 
Charge 2
Ionic
Chronos
Flex
Vivosmart 4
 FitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowGarminChronosRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$299$1500$100$130
Release20162017201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days8 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250218 x 218NA48 x 128
Sizen/a1.421.2 inchesNA0.74 inches
Touchn/aNA
TypeOLEDOLEDMIPLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m10 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSWear OSNA
Apps
Music

All Wearables