Polar M400 vs. Misfit Flash Link vs. Withings Go vs. Mobvoi TicWatch S2 vs. HTC re Grip

 
M400
Flash Link
Go
TicWatch S2
re Grip
 PolarM400Remove Buy NowMisfitFlash LinkRemove Buy NowWithingsGoRemove Buy NowMobvoiTicWatch S2Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$20$80$180$199
Release20142015201620192020

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months8 months2 DAYS5 hours to 2.5 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/aNA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a400 x 400160 x 32
Sizen/an/an/a1.39 inches1.8 inches
Touchn/an/a
Typen/an/aE-InkOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aWear OSNA
Appsn/a
Music

All Wearables