Fitbit Alta vs. ASUS ZenWatch 3 vs. Amazfit Stratos vs. Asus VivoWatch vs. Fitbit Flex

 
Alta
ZenWatch 3
Stratos
VivoWatch
Flex
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowAmazfitStratosRemove Buy NowAsusVivoWatchRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$130$229$199$160$100
Release20162017201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours5 days24 hours to 10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400320 x 300128 x 128NA
Sizen/a1.39 inches1.34 inchesNANA
Touchn/aNA
TypeOLEDAMOLEDOLEDNALED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a5 ATMIP671 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2ProprietaryKoodOSNA
Apps
Music

All Wearables