Fitbit Ionic vs. Garmin Chronos vs. Garmin Vivosmart 3 vs. Diesel On Full Guard 2.5 vs. Apple Series 6

 
Ionic
Chronos
Vivosmart 3
On Full Guard 2.5
Series 6
 FitbitIonicRemove Buy NowGarminChronosRemove Buy NowGarminVivosmart 3Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$299$1500$139.99$325$399
Release20172018201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days8 days5 days4 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250218 x 21864 x 128454x454384 x 480
Size1.421.2 inchesNA1.39 inches40mm
Touch
TypeOLEDMIPOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance50m10 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSWear OSWear OSWatchOS 5
Apps
Music

All Wearables