Fitbit Flex 2 vs. Acer Liquid Leap vs. Garmin Forerunner 235 vs. Jawbone UP2 vs. Apple Watch Series 4

 
Flex 2
Liquid Leap
Forerunner 235
UP2
Watch Series 4
 FitbitFlex 2Remove Buy NowAcerLiquid LeapRemove Buy NowGarminForerunner 235Remove Buy NowJawboneUP2Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$100$90$299.99$100$329
Release20162015201720152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days9 days7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 32215 x 180NA384 x 480
Sizen/a1 inch1.23 inchesNA1.78 inches
Touchn/aNA
TypeLEDOLEDMIPNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX45 ATMSplash resistantNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWatch OS 5
Apps
Music

All Wearables