Casio WSD-F10 vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Fitbit Charge HR vs. Amazfit GTR

 
WSD-F10
Flex 2
Ionic
Charge HR
GTR
 CasioWSD-F10Remove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$500$100$299$150$199
Release20162016201720152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygenn/a
Sleepn/a
Steps
Swimn/a

Battery

Durationn/a5 days4+ days5 days24 days
Rechargeable

Compatibility

Android
iOSn/a
Windows Phonen/an/aNA
Macn/a
Windowsn/a

Connectivity

Bluetoothn/a
Cellularn/a
GPS
NFCn/a
Wi-Fin/a

Display

Colorn/a
Resolutionn/an/a348x250NA454 x 454
Sizen/an/a1.42NA1.39 inches
Touchn/an/aNA
TypeLCDLEDOLEDOLEDAMOLED

Functions

Audio Speakern/a
Clock
Phonen/a
Vibration
Voicen/a

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM50m1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aFitbit OSNABuild-in
Appsn/a
Musicn/a

All Wearables