Polar M600 vs. Withings Activite Sapphire vs. Withings Activite Steel vs. Fitbit Alta

 
M600
Activite Sapphire
Activite Steel
Alta
 PolarM600Remove Buy NowWithingsActivite SapphireRemove Buy NowWithingsActivite SteelRemove Buy NowFitbitAltaRemove Buy Now

Basic Info

Suggested Price$330$450$170$130
Release2016201420152016

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 months8 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
Resolution240 x 240n/an/an/a
Size1.3 inches1.3 inches1.3 inchesn/a
Touchn/an/a
TypeTFTAnalogAnalogOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATMn/a

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/an/an/a
Apps
Music

All Wearables