Pebble Steel vs. Polar M400 vs. Fitbit Alta vs. Misfit Ray vs. Apple Watch Series 2

 
Steel
M400
Alta
Ray
Watch Series 2
 PebbleSteelRemove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowMisfitRayRemove Buy NowAppleWatch Series 2Remove Buy Now

Basic Info

Suggested Price$150$200$130$100$269
Release20142014201620162016

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days5 days6 months18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/an/an/a340 x 272 or 390 x 312
Size1.26 inchesn/an/an/a1.5 inches or 1.65 inches
Touchn/an/a
Typee-papern/aOLEDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMn/a5 ATM5ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/an/an/aWatch OS
Apps
Music

All Wearables