Fitbit Flex 2 vs. Garmin Vivofit 3 vs. Garmin Vivosmart vs. Amazfit Stratos vs. Asus VivoWatch

 
Flex 2
Vivofit 3
Vivosmart
Stratos
VivoWatch
 FitbitFlex 2Remove Buy NowGarminVivofit 3Remove Buy NowGarminVivosmartRemove Buy NowAmazfitStratosRemove Buy NowAsusVivoWatchRemove Buy Now

Basic Info

Suggested Price$100$100$170$199$160
Release20162016201420182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/an/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 year7 days5 days24 hours to 10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a64 x 64128 x 16320 x 300128 x 128
Sizen/a0.55 inches1.41 inches1.34 inchesNA
Touchn/a
TypeLEDn/aOLEDOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aProprietaryKoodOS
Apps
Music

All Wearables