Polar M400 vs. Garmin Chronos vs. Fitbit Flex vs. Misfit Flare vs. HTC re Grip

 
M400
Chronos
Flex
Flare
re Grip
 PolarM400Remove Buy NowGarminChronosRemove Buy NowFitbitFlexRemove Buy NowMisfitFlareRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$1500$100$59.95$199
Release20142018201320172020

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days5 days4 months5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a218 x 218NANA160 x 32
Sizen/a1.2 inchesNANA1.8 inches
TouchNA
Typen/aMIPLEDLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM10 ATM1 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANA
Apps
Music

All Wearables