Polar M400 vs. Withings Steel HR vs. Fossil Q Reveler vs. Polar Loop 2 vs. Garmin Vivosmart 4

 
M400
Steel HR
Q Reveler
Loop 2
Vivosmart 4
 PolarM400Remove Buy NowWithingsSteel HRRemove Buy NowFossilQ RevelerRemove Buy NowPolarLoop 2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$180$125$120$130
Release20142016201520152018

Activity & Fitness

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

Battery

Duration8 hours to 30 days25 days7 days8 days (without notifications)7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/an/a48 x 128
Sizen/an/an/an/a0.74 inches
Touchn/a
Typen/an/an/aLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP672 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/an/a
Apps
Music

All Wearables