Fitbit Ionic vs. Garmin Forerunner 235 vs. Garmin Vivosmart 3 vs. Fitbit Inspire HR vs. Apple Series 6

 
Ionic
Forerunner 235
Vivosmart 3
Inspire HR
Series 6
 FitbitIonicRemove Buy NowGarminForerunner 235Remove Buy NowGarminVivosmart 3Remove Buy NowFitbitInspire HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$299$299.99$139.99$99$399
Release20172017201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days9 days5 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250215 x 18064 x 128139 x 60384 x 480
Size1.421.23 inchesNA1.4 inches40mm
Touch
TypeOLEDMIPOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance50m5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSFitbit OSWatchOS 5
Apps
Music

All Wearables