Polar M600 vs. Withings Steel HR vs. Fitbit Ionic vs. Casio WSD-F20A

 
M600
Steel HR
Ionic
WSD-F20A
 PolarM600Remove Buy NowWithingsSteel HRRemove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$330$180$299$399
Release2016201620172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days25 days4+ days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a348x250320 x 320
Size1.3 inchesn/a1.421.32 inches
Touchn/a
TypeTFTn/aOLEDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM50m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aFitbit OSWear OS
Apps
Music

All Wearables