Fitbit Flex 2 vs. Polar Loop 2 vs. Casio G-Shock GBA800 vs. Garmin Vivosmart 3 vs. Jaybird Reign

 
Flex 2
Loop 2
G-Shock GBA800
Vivosmart 3
Reign
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarminVivosmart 3Remove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$100$120$120$139.99$150
Release20162015201820172015

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)2 years5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a64 x 128NA
Sizen/an/aNANA
Touchn/aNA
TypeLEDLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM20 ATM5 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables