Fitbit Alta vs. Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Amazfit Stratos vs. Garmin Vivosmart HR Plus

 
Alta
Flex 2
ZenWatch 3
Stratos
Vivosmart HR Plus
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowAmazfitStratosRemove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$130$100$229$199$179
Release20162016201720182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days48 hours5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400320 x 300160 x 68
Sizen/an/a1.39 inches1.34 inches0.5 inches x 0.8 inches
Touchn/an/a
TypeOLEDLEDAMOLEDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2ProprietaryNA
Apps
Music

All Wearables