Fitbit Charge 2 vs. Garmin Vivosmart HR vs. Fitbit Ionic vs. Fitbit Charge 3 vs. Fitbit Flex

 
Charge 2
Vivosmart HR
Ionic
Charge 3
Flex
 FitbitCharge 2Remove Buy NowGarminVivosmart HRRemove Buy NowFitbitIonicRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$170$299$150$100
Release20162015201720182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days4+ days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a160 x 68348x25066 x 18NA
Sizen/a1.08 inches1.42.721 inchesNA
Touchn/aNA
TypeOLEDn/aOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM50m5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSNANA
Apps
Music

All Wearables