Fitbit Flex 2 vs. Fitbit One vs. Amazfit Cor vs. Amazfit GTR vs. Amazfit GTS

 
Flex 2
One
Cor
GTR
GTS
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowAmazfitCorRemove Buy NowAmazfitGTRRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$100$79.99$199$150
Release20162012201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days12 days24 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a80 x 160454 x 454348 x 442
Sizen/an/a1.23 inches1.39 inches1.65 inches
Touchn/a
TypeLEDOLEDIPS LCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuild-inWear OS
Apps
Music

All Wearables