Fitbit Ionic vs. Diesel On Full Guard vs. MobVoi TicWatch Pro vs. Garmin Vivofit 4 vs. Amazfit T-Rex

 
Ionic
On Full Guard
TicWatch Pro
Vivofit 4
T-Rex
 FitbitIonicRemove Buy NowDieselOn Full GuardRemove Buy NowMobVoiTicWatch ProRemove Buy NowGarminVivofit 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$325$300$79.95$140
Release20172017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days1 day30 days1 year20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250454 x 454400 x 40088 x 88360 x 360
Size1.421.4 inches1.4 inchesNA1.3 inches
Touch
TypeOLEDOMOLEDOLED/FSTNNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP67IP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSAndroid Wear 2.0Wear OSBuild-in
Apps
Music

All Wearables