Polar M600 vs. Apple Watch Series 2 vs. Fitbit Charge 3 vs. Fitbit Flex vs. Polar A370

 
M600
Watch Series 2
Charge 3
Flex
A370
 PolarM600Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$330$269$150$100$179.95
Release20162016201820132017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days18 hours7 days5 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution240 x 240340 x 272 or 390 x 31266 x 18NA160 x 80
Size1.3 inches1.5 inches or 1.65 inches.721 inchesNA1.18 inches
Touchn/aNA
TypeTFTAMOLEDOLEDLEDTFT LCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85ATM5 ATM1 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearWatch OSNANA
Apps
Music

All Wearables