Pebble Time Round vs. Polar M400 vs. Misfit Ray vs. Casio WSD-F20A vs. Apple SE

 
Time Round
M400
Ray
WSD-F20A
SE
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowMisfitRayRemove Buy NowCasioWSD-F20ARemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$200$200$100$399$279
Release20152014201620182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 hours to 30 days6 months1 day18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a320 x 320384 x 480
Sizeroundn/an/a1.32 inches40mm
Touchn/a
Typee-papern/aLEDLCDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water ResistanceIPX73 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aWear OSWatchOS 5
Apps
Music

All Wearables