Fitbit Flex 2 vs. Casio WSD-F20A vs. Diesel On Full Guard vs. Fitbit Versa 2 vs. Apple Series 6

 
Flex 2
WSD-F20A
On Full Guard
Versa 2
Series 6
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowDieselOn Full GuardRemove Buy NowFitbitVersa 2Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$399$325$199$399
Release20162018201720192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day1 day5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320454 x 454300 x 300384 x 480
Sizen/a1.32 inches1.4 inches1.34 inches40mm
Touchn/a
TypeLEDLCDOMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid Wear 2.0Build-inWatchOS 5
Apps
Music

All Wearables