Polar M400 vs. Garmin Forerunner 935 vs. Fitbit Flex vs. Michael Kors Access Sofie HR vs. Mobvoi TicWatch C2

 
M400
Forerunner 935
Flex
Access Sofie HR
TicWatch C2
 PolarM400Remove Buy NowGarminForerunner 935Remove Buy NowFitbitFlexRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMobvoiTicWatch C2Remove Buy Now

Basic Info

Suggested Price$200$500$100$395$200
Release20142017201320192018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysUp to 2 weeks5 days2 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240NA390 x 390360 x 360
Sizen/a1.2 inchesNA1.19 inches1.3 inches
TouchNA
Typen/aLCDLEDOMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM0.3 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OSWear OS
Apps
Music

All Wearables