Fitbit Flex 2 vs. Amazfit Stratos vs. Asus VivoWatch vs. Michael Kors Access Sofie vs. Fitbit Flex

 
Flex 2
Stratos
VivoWatch
Access Sofie
Flex
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowAsusVivoWatchRemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$199$160$395$100
Release20162018201820172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days24 hours to 10 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300128 x 128390 x 390 1.19 inchesNA
Sizen/a1.34 inchesNANA
Touchn/aAMOLDEDNA
TypeLEDOLEDNALED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP671 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryKoodOSAndroid Wear 2.0NA
Apps
Music

All Wearables