Polar M400 vs. Garmin Forerunner 235 vs. LG G Watch vs. Fitbit Flex vs. Michael Kors Access Sofie HR

 
M400
Forerunner 235
G Watch
Flex
Access Sofie HR
 PolarM400Remove Buy NowGarminForerunner 235Remove Buy NowLGG WatchRemove Buy NowFitbitFlexRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$200$299.99$230$100$395
Release20142017201420132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days9 days1.5 days5 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180280 x 280NA390 x 390
Sizen/a1.23 inches1.65 inchesNA1.19 inches
TouchNA
Typen/aMIPIPS LCDLEDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP671 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAWear OS
Apps
Music

All Wearables