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

 
2
M600
Activite Sapphire
Charge 2
 Pebble2Remove Buy NowPolarM600Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitCharge 2Remove Buy Now

Basic Info

Suggested Price$129$330$450$150
Release2016201620142016

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days8 months5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240n/an/a
Sizen/a1.3 inches1.3 inchesn/a
Touchn/an/a
Typee-paperTFTAnalogOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX85 ATMn/a

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wearn/an/a
Apps
Music

All Wearables