Fitbit Alta vs. Fitbit Charge 2 vs. Amazfit Cor vs. Fitbit Flex vs. Amazfit GTS

 
Alta
Charge 2
Cor
Flex
GTS
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowAmazfitCorRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$130$150$79.99$100$150
Release20162016201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days12 days5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a80 x 160NA348 x 442
Sizen/an/a1.23 inchesNA1.65 inches
Touchn/an/aNA
TypeOLEDOLEDIPS LCDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/a5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables