Fitbit Flex 2 vs. Acer Liquid Leap vs. Fitbit Flex vs. Fitbit Inspire HR vs. Apple Series 6

 
Flex 2
Liquid Leap
Flex
Inspire HR
Series 6
 FitbitFlex 2Remove Buy NowAcerLiquid LeapRemove Buy NowFitbitFlexRemove Buy NowFitbitInspire HRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$90$100$99$399
Release20162015201320192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days5 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 32NA139 x 60384 x 480
Sizen/a1 inchNA1.4 inches40mm
Touchn/aNA
TypeLEDOLEDLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMIPX41 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAFitbit OSWatchOS 5
Apps
Music

All Wearables