Fitbit Charge 2 vs. Fitbit Ionic vs. Asus VivoWatch vs. Garmin Forerunner 235 vs. Apple Watch Series 4

 
Charge 2
Ionic
VivoWatch
Forerunner 235
Watch Series 4
 FitbitCharge 2Remove Buy NowFitbitIonicRemove Buy NowAsusVivoWatchRemove Buy NowGarminForerunner 235Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$299$160$299.99$329
Release20162017201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days24 hours to 10 days9 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250128 x 128215 x 180384 x 480
Sizen/a1.42NA1.23 inches1.78 inches
Touchn/a
TypeOLEDOLEDNAMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a50mIP675 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSKoodOSWatch OS 5
Apps
Music

All Wearables