Polar M400 vs. Fitbit Alta vs. Fitbit One vs. Pebble Time 2 vs. Fitbit Alta HR

 
M400
Alta
One
Time 2
Alta HR
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowFitbitOneRemove Buy NowPebbleTime 2Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$130$100$199$150
Release20142016201220162017

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days10-14 days10 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/aNA128 x 36
Sizen/an/an/aNA1.4 inches
Touchn/a
Typen/aOLEDOLEDe-paperOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/aSplast Resistant3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aPebble OS
Apps
Music

All Wearables