Fitbit Flex 2 vs. Amazfit Cor vs. Fitbit Flex vs. Diesel On Full Guard 2.5 vs. Amazfit GTS

 
Flex 2
Cor
Flex
On Full Guard 2.5
GTS
 FitbitFlex 2Remove Buy NowAmazfitCorRemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$79.99$100$325$150
Release20162018201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days12 days5 days4 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a80 x 160NA454x454348 x 442
Sizen/a1.23 inchesNA1.39 inches1.65 inches
Touchn/aNA
TypeLEDIPS LCDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OSWear OS
Apps
Music

All Wearables