Fitbit Flex 2 vs. Apple Watch vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Fitbit Charge HR

 
Flex 2
Watch
WSD-F20A
Forerunner 235
Charge HR
 FitbitFlex 2Remove Buy NowAppleWatchRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$100$349$399$299.99$150
Release20162015201820172015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours1 day9 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312320 x 320215 x 180NA
Sizen/a1.5 inches or 1.65 inches1.32 inches1.23 inchesNA
Touchn/aNA
TypeLEDAMOLEDLCDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX75 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OSNA
Apps
Music

All Wearables