Polar M600 vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Casio WSD-F20A vs. Fitbit Versa 2

 
M600
Flex 2
Ionic
WSD-F20A
Versa 2
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$330$100$299$399$199
Release20162016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days4+ days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a348x250320 x 320300 x 300
Size1.3 inchesn/a1.421.32 inches1.34 inches
Touchn/an/a
TypeTFTLEDOLEDLCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM50m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aFitbit OSWear OSBuild-in
Apps
Music

All Wearables