Polar M400 vs. Fitbit Flex 2 vs. Misfit Flash Link vs. Garmin Forerunner 235 vs. HTC re Grip

 
M400
Flex 2
Flash Link
Forerunner 235
re Grip
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowMisfitFlash LinkRemove Buy NowGarminForerunner 235Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$100$20$299.99$199
Release20142016201520172020

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days6 months9 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a215 x 180160 x 32
Sizen/an/an/a1.23 inches1.8 inches
Touchn/an/a
Typen/aLEDn/aMIPPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNA
Apps
Music

All Wearables