Fitbit Flex 2 vs. Asus VivoWatch vs. Casio G-Shock GBA800 vs. Jaybird Reign vs. Amazfit GTS

 
Flex 2
VivoWatch
G-Shock GBA800
Reign
GTS
 FitbitFlex 2Remove Buy NowAsusVivoWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowJaybirdReignRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$160$120$150$150
Release20162018201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours to 10 days2 years5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 128NA348 x 442
Sizen/aNANA1.65 inches
Touchn/aNA
TypeLEDNALEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP6720 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSNAWear OS
Apps
Music

All Wearables