Polar M400 vs. Garmin Vivosmart vs. Misfit Flash vs. Fitbit Flex vs. HTC re Grip

 
M400
Vivosmart
Flash
Flex
re Grip
 PolarM400Remove Buy NowGarminVivosmartRemove Buy NowMisfitFlashRemove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$170$30$100$199
Release20142014201420132020

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days6 months5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNANA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 16n/aNA160 x 32
Sizen/a1.41 inchesn/aNA1.8 inches
Touchn/aNA
Typen/aOLEDn/aLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM3 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNANA
Apps
Music

All Wearables