Pebble Steel vs. Garmin Vivosmart HR vs. Fitbit Ionic vs. Asus ZenWatch vs. Amazfit T-Rex

 
Steel
Vivosmart HR
Ionic
ZenWatch
T-Rex
 PebbleSteelRemove Buy NowGarminVivosmart HRRemove Buy NowFitbitIonicRemove Buy NowAsusZenWatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$170$299$150$140
Release20142015201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days5 days4+ daysNA20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144160 x 68348x250320 x 320360 x 360
Size1.26 inches1.08 inches1.421.63 inches1.3 inches
Touch
Typee-papern/aOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM50mIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemPebble OSn/aFitbit OSAndroid WearBuild-in
Apps
Music

All Wearables