Pebble Classic vs. Polar M400 vs. Withings Activite Sapphire vs. Withings Activite Steel vs. Fitbit Alta

 
Classic
M400
Activite Sapphire
Activite Steel
Alta
 PebbleClassicRemove Buy NowPolarM400Remove Buy NowWithingsActivite SapphireRemove Buy NowWithingsActivite SteelRemove Buy NowFitbitAltaRemove Buy Now

Basic Info

Suggested Price$99$200$450$170$130
Release20132014201420152016

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days8 months8 months5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/an/an/a
Size1.26 inchesn/a1.3 inches1.3 inchesn/a
Touchn/a
Typee-papern/aAnalogAnalogOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM5 ATMn/a

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/an/an/an/a
Apps
Music

All Wearables