Polar M400 vs. Fitbit Flex 2 vs. Garmin Forerunner 935 vs. Michael Kors Access Sofie vs. Garmin Vivosport

 
M400
Flex 2
Forerunner 935
Access Sofie
Vivosport
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowGarminForerunner 935Remove Buy NowMichael KorsAccess SofieRemove Buy NowGarminVivosportRemove Buy Now

Basic Info

Suggested Price$200$100$500$395$199
Release20142016201720172017

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 daysUp to 2 weeks1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240390 x 390 1.19 inches72 x 144
Sizen/an/a1.2 inchesNA
Touchn/aAMOLDED
Typen/aLEDLCDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0
Apps
Music

All Wearables