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

 
Alta
Flex 2
Stratos
VivoWatch
Flex
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowAsusVivoWatchRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$130$100$199$160$100
Release20162016201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 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/an/a320 x 300128 x 128NA
Sizen/an/a1.34 inchesNANA
Touchn/an/aNA
TypeOLEDLEDOLEDNALED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATMIP671 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aProprietaryKoodOSNA
Apps
Music

All Wearables