Fitbit Flex 2 vs. Fitbit Zip vs. Fitbit Charge 3 vs. Garmin Vivosmart HR Plus vs. Amazfit GTS

 
Flex 2
Zip
Charge 3
Vivosmart HR Plus
GTS
 FitbitFlex 2Remove Buy NowFitbitZipRemove Buy NowFitbitCharge 3Remove Buy NowGarminVivosmart HR PlusRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$60$150$179$150
Release20162012201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months7 days5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/a66 x 18160 x 68348 x 442
Sizen/an/a.721 inches0.5 inches x 0.8 inches1.65 inches
Touchn/a
TypeLEDn/aOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANAWear OS
Apps
Music

All Wearables