Polar M400 vs. Garmin Forerunner 235 vs. Fitbit Flex vs. Skagen Falster 2 vs. HTC re Grip

 
M400
Forerunner 235
Flex
Falster 2
re Grip
 PolarM400Remove Buy NowGarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowSkagenFalster 2Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$299.99$100$199$199
Release20142017201320192020

Activity & Fitness

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

Battery

Duration8 hours to 30 days9 days5 days1 day5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180NA320 x 320160 x 32
Sizen/a1.23 inchesNA1.19 inches1.8 inches
TouchNA
Typen/aMIPLEDOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OSNA
Apps
Music

All Wearables