Polar M430 vs. Amazfit Cor vs. Casio G-Shock GBA800 vs. Fitbit Flex

 
M430
Cor
G-Shock GBA800
Flex
 PolarM430Remove Buy NowAmazfitCorRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$255$79.99$120$100
Release2017201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration30 hours12 days2 years5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x12880 x 160NA
Size1.4 inch1.23 inchesNA
TouchNA
TypeLCDIPS LCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR305 ATM20 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNA
Apps
Music

All Wearables