Fitbit Ionic vs. Asus VivoWatch vs. Garmin Forerunner 235 vs. Garmin Vivofit 4 vs. Apple Series 6

 
Ionic
VivoWatch
Forerunner 235
Vivofit 4
Series 6
 FitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowGarminForerunner 235Remove Buy NowGarminVivofit 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$299$160$299.99$79.95$399
Release20172018201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days24 hours to 10 days9 days1 yearNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250128 x 128215 x 18088 x 88384 x 480
Size1.42NA1.23 inchesNA40mm
Touch
TypeOLEDNAMIPNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor5 ATM
Water Resistance50mIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSKoodOSWatchOS 5
Apps
Music

All Wearables