Fitbit Flex 2 vs. Amazfit Stratos vs. Amazfit Bip vs. Asus VivoWatch vs. Fitbit Alta HR

 
Flex 2
Stratos
Bip
VivoWatch
Alta HR
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowAmazfitBipRemove Buy NowAsusVivoWatchRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$100$199$99.99$160$150
Release20162018201820182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days30 days24 hours to 10 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300176 x 176128 x 128128 x 36
Sizen/a1.34 inches1.28 inchesNA1.4 inches
Touchn/a
TypeLEDOLEDNANAOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP68IP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryKoodOS
Apps
Music

All Wearables