Fitbit Ionic vs. Apple Watch vs. Garmin Forerunner 235 vs. Garmin Vivofit 4 vs. Apple Watch Series 4

 
Ionic
Watch
Forerunner 235
Vivofit 4
Watch Series 4
 FitbitIonicRemove Buy NowAppleWatchRemove Buy NowGarminForerunner 235Remove Buy NowGarminVivofit 4Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$299$349$299.99$79.95$329
Release20172015201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days18 hours9 days1 yearNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250340 x 272 or 390 x 312215 x 18088 x 88384 x 480
Size1.421.5 inches or 1.65 inches1.23 inchesNA1.78 inches
Touch
TypeOLEDAMOLEDMIPNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIPX75 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWatch OSWatch OS 5
Apps
Music

All Wearables