Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Acer Liquid Leap vs. Fitbit Charge 3 vs. Apple Watch Series 4

 
Flex 2
Vivosmart HR
Liquid Leap
Charge 3
Watch Series 4
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowAcerLiquid LeapRemove Buy NowFitbitCharge 3Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$100$170$90$150$329
Release20162015201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days5 to 7 days7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68128 x 3266 x 18384 x 480
Sizen/a1.08 inches1 inch.721 inches1.78 inches
Touchn/a
TypeLEDn/aOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIPX45 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatch OS 5
Apps
Music

All Wearables