Fitbit Flex 2 vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Fitbit Alta HR vs. Apple SE

 
Flex 2
WSD-F20A
Forerunner 235
Alta HR
SE
 FitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowFitbitAlta HRRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$100$399$299.99$150$279
Release20162018201720172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day9 days7 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320215 x 180128 x 36384 x 480
Sizen/a1.32 inches1.23 inches1.4 inches40mm
Touchn/a
TypeLEDLCDMIPOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSWatchOS 5
Apps
Music

All Wearables