Fitbit Alta vs. ASUS ZenWatch 3 vs. Fitbit Charge vs. Fitbit Flex vs. Amazfit GTS

 
Alta
ZenWatch 3
Charge
Flex
GTS
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$130$229$130$100$150
Release20162017201420132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours7-10 days5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400NANA348 x 442
Sizen/a1.39 inchesNANA1.65 inches
Touchn/aNANA
TypeOLEDAMOLEDOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a1 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2NANAWear OS
Apps
Music

All Wearables