Fitbit Charge 2 vs. Acer Liquid Leap vs. Fitbit Charge vs. Fitbit Flex vs. Apple Watch Series 4

 
Charge 2
Liquid Leap
Charge
Flex
Watch Series 4
 FitbitCharge 2Remove Buy NowAcerLiquid LeapRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$150$90$130$100$329
Release20162015201420132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days7-10 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 32NANA384 x 480
Sizen/a1 inchNANA1.78 inches
Touchn/aNANA
TypeOLEDOLEDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIPX41 ATM1 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANAWatch OS 5
Apps
Music

All Wearables