Fitbit Flex 2 vs. Polar Loop 2 vs. Acer Liquid Leap vs. Polar Loop vs. Apple Series 6

 
Flex 2
Loop 2
Liquid Leap
Loop
Series 6
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowAcerLiquid LeapRemove Buy NowPolarLoopRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$120$90$100$399
Release20162015201520132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 days (without notifications)5 to 7 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 32NA384 x 480
Sizen/an/a1 inchNA40mm
Touchn/a
TypeLEDLEDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM2 ATMIPX42 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatchOS 5
Apps
Music

All Wearables