Fitbit Blaze vs. Casio WSD-F20A vs. Fitbit Charge vs. Fitbit Flex vs. Apple Series 6

 
Blaze
WSD-F20A
Charge
Flex
Series 6
 FitbitBlazeRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$399$130$100$399
Release20162018201420132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days1 day7-10 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320NANA384 x 480
Sizen/a1.32 inchesNANA40mm
TouchNANA
TypeLCDLCDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANAWatchOS 5
Apps
Music

All Wearables