Polar M400 vs. Withings Activite Steel vs. Polar Loop 2 vs. Huawei Band 3 Pro vs. HTC re Grip

 
M400
Activite Steel
Loop 2
Band 3 Pro
re Grip
 PolarM400Remove Buy NowWithingsActivite SteelRemove Buy NowPolarLoop 2Remove Buy NowHuaweiBand 3 ProRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$170$120$70$199
Release20142015201520182020

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 months8 days (without notifications)12 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a454 x 454160 x 32
Sizen/a1.3 inchesn/a1.39 inches1.8 inches
Touch
Typen/aAnalogLEDAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM2 ATMIP68IP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAMAZFIT OSNA
Apps
Music

All Wearables