Polar M400 vs. Fitbit One vs. Pebble Time 2 vs. Fitbit Alta HR vs. Xiaomi Mi Band 3

 
M400
One
Time 2
Alta HR
Mi Band 3
 PolarM400Remove Buy NowFitbitOneRemove Buy NowPebbleTime 2Remove Buy NowFitbitAlta HRRemove Buy NowXiaomiMi Band 3Remove Buy Now

Basic Info

Suggested Price$200$100$199$150$44.95
Release20142012201620172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days10-14 days10 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA128 x 36128 x 80
Sizen/an/aNA1.4 inches0.78 inches
Touch
Typen/aOLEDe-paperOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMSplast Resistant3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aPebble OS
Apps
Music

All Wearables