Fitbit Ionic vs. Diesel On Full Guard vs. Garmin Vivosmart 3 vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Ionic
On Full Guard
Vivosmart 3
Inspire HR
T-Rex
 FitbitIonicRemove Buy NowDieselOn Full GuardRemove Buy NowGarminVivosmart 3Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$325$139.99$99$140
Release20172017201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days1 day5 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250454 x 45464 x 128139 x 60360 x 360
Size1.421.4 inchesNA1.4 inches1.3 inches
Touch
TypeOLEDOMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid Wear 2.0Fitbit OSBuild-in
Apps
Music

All Wearables