Polar M400 vs. Fitbit Ionic vs. Michael Kors Grayson vs. Samsung Gear Fit2 Pro vs. Michael Kors Grayson vs. Huawei Band 2

 
M400
Ionic
Grayson
Gear Fit2 Pro
Grayson
Band 2
 PolarM400Remove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear Fit2 ProRemove Buy NowMichael KorsGraysonRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$200$299$350$199.99$350$69.99
Release201420172018201720182017

Activity & Fitness

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

Battery

Duration8 hours to 30 days4+ days24 hours2 days24 hours21 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250453 x 454216 x 432453x454128 x 32
Sizen/a1.421.39 inches1.5 inches1.39 inches0.91 inches
Touch
Typen/aOLEDAMOLEDAMOLEDAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM50m1 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid WearTizen OSAndroid Wear
Apps
Music

All Wearables