Fitbit Alta vs. Fitbit Zip vs. Asus VivoWatch vs. Asus ZenWatch vs. Amazfit T-Rex

 
Alta
Zip
VivoWatch
ZenWatch
T-Rex
 FitbitAltaRemove Buy NowFitbitZipRemove Buy NowAsusVivoWatchRemove Buy NowAsusZenWatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$60$160$150$140
Release20162012201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months24 hours to 10 daysNA20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a128 x 128320 x 320360 x 360
Sizen/an/aNA1.63 inches1.3 inches
Touchn/a
TypeOLEDn/aNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/aSplash ResistantIP67IP555 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aKoodOSAndroid WearBuild-in
Apps
Music

All Wearables