Polar M400 vs. Fitbit Flex 2 vs. Misfit Ray vs. Apple Watch Series 2 vs. Garmin Vivosmart 3

 
M400
Flex 2
Ray
Watch Series 2
Vivosmart 3
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowMisfitRayRemove Buy NowAppleWatch Series 2Remove Buy NowGarminVivosmart 3Remove Buy Now

Basic Info

Suggested Price$200$100$100$269$139.99
Release20142016201620162017

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days6 months18 hours5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a340 x 272 or 390 x 31264 x 128
Sizen/an/an/a1.5 inches or 1.65 inchesNA
Touchn/an/a
Typen/aLEDLEDAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM5ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatch OS
Apps
Music

All Wearables