Polar M400 vs. Fitbit One vs. Moov Now vs. Xiaomi Mi Band 2 vs. Fitbit Alta HR

 
M400
One
Now
Mi Band 2
Alta HR
 PolarM400Remove Buy NowFitbitOneRemove Buy NowMoovNowRemove Buy NowXiaomiMi Band 2Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$100$79$23$150
Release20142012201520162017

Activity & Fitness

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

Battery

Duration8 hours to 30 days10-14 days6 months20 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/an/a128 x 36
Sizen/an/an/a0.42 inches1.4 inches
Touchn/a
Typen/aOLEDn/aOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMSplast Resistantn/aIP67

Notifications

Phone
Emails
Texts

Software

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

All Wearables