Polar M400 vs. Asus VivoWatch vs. Fitbit Flex vs. Misfit Flash Cyclist Edition vs. HTC re Grip

 
M400
VivoWatch
Flex
Flash Cyclist Edition
re Grip
 PolarM400Remove Buy NowAsusVivoWatchRemove Buy NowFitbitFlexRemove Buy NowMisfitFlash Cyclist EditionRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$160$100$50$199
Release20142018201320152020

Activity & Fitness

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

Battery

Duration8 hours to 30 days24 hours to 10 days5 days6 months5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a128 x 128NANA160 x 32
Sizen/aNANANA1.8 inches
TouchNANA
Typen/aNALEDNAPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance3 ATMIP671 ATM3 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aKoodOSNANANA
Apps
Music

All Wearables