Fitbit Charge 2 vs. Fitbit Ionic vs. Garmin Vivoactive 3 vs. Fitbit Flex vs. Garmin Vivofit 4

 
Charge 2
Ionic
Vivoactive 3
Flex
Vivofit 4
 FitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowGarminVivoactive 3Remove Buy NowFitbitFlexRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$150$299$299$100$79.95
Release20162017201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days7 days5 days1 year
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250240 x 240NA88 x 88
Sizen/a1.421.2 inchesNANA
Touchn/aNA
TypeOLEDOLEDMIPLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSNA
Apps
Music

All Wearables