Polar M600 vs. Casio WSD-F20A vs. Fitbit Flex vs. Garmin Instinct

 
M600
WSD-F20A
Flex
Instinct
 PolarM600Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$330$399$100$300
Release2016201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days1 day5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240320 x 320NA128 x 128
Size1.3 inches1.32 inchesNA0.9 inches
Touchn/aNA
TypeTFTLCDLEDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM1 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearWear OSNA
Apps
Music

All Wearables