Fitbit Flex 2 vs. Casio G-Shock GBA800 vs. Jaybird Reign vs. Polar A370 vs. Amazfit GTS

 
Flex 2
G-Shock GBA800
Reign
A370
GTS
 FitbitFlex 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowJaybirdReignRemove Buy NowPolarA370Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$120$150$179.95$150
Release20162018201520172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years5 daysUp to 3 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNA160 x 80348 x 442
Sizen/aNA1.18 inches1.65 inches
Touchn/aNA
TypeLEDLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATMNAWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OS
Apps
Music

All Wearables