Polar M400 vs. Fitbit Alta vs. Apple Watch Series 2

 
M400
Alta
Watch Series 2
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy Now

Basic Info

Suggested Price$200$130$269
Release201420162016

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312
Sizen/an/a1.5 inches or 1.65 inches
Touchn/a
Typen/aOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a5ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OS
Apps
Music

All Wearables