Fitbit Blaze vs. Polar Loop 2 vs. Casio WSD-F20A vs. Fitbit Flex vs. Apple Series 6

 
Blaze
Loop 2
WSD-F20A
Flex
Series 6
 FitbitBlazeRemove Buy NowPolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$120$399$100$399
Release20162015201820132020

Activity & Fitness

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

Battery

Duration5 Days8 days (without notifications)1 day5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320NA384 x 480
Sizen/an/a1.32 inchesNA40mm
TouchNA
TypeLCDLEDLCDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a2 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNAWatchOS 5
Apps
Music

All Wearables