Fitbit Alta vs. Asus ZenWatch vs. Fitbit Flex vs. Amazfit GTR vs. Amazfit GTS

 
Alta
ZenWatch
Flex
GTR
GTS
 FitbitAltaRemove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$130$150$100$199$150
Release20162014201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA5 days24 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320NA454 x 454348 x 442
Sizen/a1.63 inchesNA1.39 inches1.65 inches
Touchn/aNA
TypeOLEDAMOLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/aAndroid WearNABuild-inWear OS
Apps
Music

All Wearables