Garmin Forerunner 225 vs. Fitbit Ionic vs. Asus VivoWatch vs. Fitbit Flex vs. Garmin VivoActive 4

 
Forerunner 225
Ionic
VivoWatch
Flex
VivoActive 4
 GarminForerunner 225Remove Buy NowFitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowFitbitFlexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$300$299$160$100$349
Release20152017201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks4+ days24 hours to 10 days5 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180348x250128 x 128NA260 x 260
Size1 inch1.42NANA1.3ionches
TouchNA
Typen/aOLEDNALEDMIP

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATM50mIP671 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aFitbit OSKoodOSNAWear OS
Appsn/a
Musicn/a

All Wearables