Garmin Vivoactive HR vs. Fitbit Ionic vs. Amazfit Stratos vs. Fitbit Charge 3 vs. Fitbit Flex

 
Vivoactive HR
Ionic
Stratos
Charge 3
Flex
 GarminVivoactive HRRemove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$250$299$199$150$100
Release20162017201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 8 days4+ days5 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution148 x 205348x250320 x 30066 x 18NA
Size1.38 inches1.421.34 inches.721 inchesNA
TouchNA
Typen/aOLEDOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSProprietaryNANA
Apps
Music

All Wearables