Fitbit Ionic vs. Garmin Forerunner 935 vs. Fitbit Alta HR vs. Fitbit Versa 2 vs. Apple Series 6

 
Ionic
Forerunner 935
Alta HR
Versa 2
Series 6
 FitbitIonicRemove Buy NowGarminForerunner 935Remove Buy NowFitbitAlta HRRemove Buy NowFitbitVersa 2Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$299$500$150$199$399
Release20172017201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ daysUp to 2 weeks7 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250240 x 240128 x 36300 x 300384 x 480
Size1.421.2 inches1.4 inches1.34 inches40mm
Touch
TypeOLEDLCDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance50m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSBuild-inWatchOS 5
Apps
Music

All Wearables