Fitbit Alta vs. Asus ZenWatch vs. Fitbit Alta HR vs. Fitbit Charge vs. Amazfit GTS

 
Alta
ZenWatch
Alta HR
Charge
GTS
 FitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$130$150$150$130$150
Release20162014201720142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7 days7-10 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320128 x 36NA348 x 442
Sizen/a1.63 inches1.4 inchesNA1.65 inches
Touchn/aNA
TypeOLEDAMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP551 ATM5 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aAndroid WearNAWear OS
Apps
Music

All Wearables