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

 
2
M400
Alta
Watch Series 2
Watch
 Pebble2Remove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAppleWatchRemove Buy Now

Basic Info

Suggested Price$129$200$130$269$349
Release20162014201620162015

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days5 days18 hours18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a340 x 272 or 390 x 312340 x 272 or 390 x 312
Sizen/an/an/a1.5 inches or 1.65 inches1.5 inches or 1.65 inches
Touchn/a
Typee-papern/aOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATMn/a5ATMIPX7

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/an/aWatch OSWatch OS
Apps
Music

All Wearables