Fitbit Charge 2 vs. Fitbit Zip vs. Fitbit Flex vs. Garmin Vivosmart 4 vs. Amazfit GTS

 
Charge 2
Zip
Flex
Vivosmart 4
GTS
 FitbitCharge 2Remove Buy NowFitbitZipRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$150$60$100$130$150
Release20162012201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months5 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA48 x 128348 x 442
Sizen/an/aNA0.74 inches1.65 inches
Touchn/aNA
TypeOLEDn/aLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash Resistant1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWear OS
Apps
Music

All Wearables