Fitbit Ionic vs. Garmin Vivofit 4 vs. Garmin Vivosmart HR Plus vs. Diesel On Full Guard 2.5 vs. Amazfit GTS

 
Ionic
Vivofit 4
Vivosmart HR Plus
On Full Guard 2.5
GTS
 FitbitIonicRemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart HR PlusRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$299$79.95$179$325$150
Release20172018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days1 year5 days4 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x25088 x 88160 x 68454x454348 x 442
Size1.42NA0.5 inches x 0.8 inches1.39 inches1.65 inches
Touch
TypeOLEDNALCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSNAWear OSWear OS
Apps
Music

All Wearables