Fitbit Flex 2 vs. Huawei Watch 2 vs. Amazfit Stratos vs. Asus VivoWatch vs. Fitbit Charge HR

 
Flex 2
Watch 2
Stratos
VivoWatch
Charge HR
 FitbitFlex 2Remove Buy NowHuaweiWatch 2Remove Buy NowAmazfitStratosRemove Buy NowAsusVivoWatchRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$100$350$199$160$150
Release20162017201820182015

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 Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a480 x 480320 x 300128 x 128NA
Sizen/a1.38 inches1.34 inchesNANA
Touchn/aNA
TypeLEDP-OLEDOLEDNAOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2ProprietaryKoodOSNA
Apps
Music

All Wearables