Fitbit Ionic vs. Apple Watch vs. Garmin Forerunner 235 vs. Garmin Vivosmart HR Plus vs. Apple Series 6

 
Ionic
Watch
Forerunner 235
Vivosmart HR Plus
Series 6
 FitbitIonicRemove Buy NowAppleWatchRemove Buy NowGarminForerunner 235Remove Buy NowGarminVivosmart HR PlusRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$299$349$299.99$179$399
Release20172015201720172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days18 hours9 days5 daysNot 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 180160 x 68384 x 480
Size1.421.5 inches or 1.65 inches1.23 inches0.5 inches x 0.8 inches40mm
Touch
TypeOLEDAMOLEDMIPLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance50mIPX75 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWatch OSNAWatchOS 5
Apps
Music

All Wearables