Pebble Steel vs. Polar M600 vs. Withings Activite Sapphire vs. Fitbit Charge 2 vs. Fitbit Charge HR

 
Steel
M600
Activite Sapphire
Charge 2
Charge HR
 PebbleSteelRemove Buy NowPolarM600Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitCharge 2Remove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$150$330$450$150$150
Release20142016201420162015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days2 days8 months5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144240 x 240n/an/aNA
Size1.26 inches1.3 inches1.3 inchesn/aNA
Touchn/an/aNA
Typee-paperTFTAnalogOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX85 ATMn/a1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wearn/an/aNA
Apps
Music

All Wearables