Polar M600 vs. Withings Activite Sapphire vs. Fitbit Alta vs. Asus VivoWatch

 
M600
Activite Sapphire
Alta
VivoWatch
 PolarM600Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitAltaRemove Buy NowAsusVivoWatchRemove Buy Now

Basic Info

Suggested Price$330$450$130$160
Release2016201420162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 months5 days24 hours to 10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/an/a128 x 128
Size1.3 inches1.3 inchesn/aNA
Touchn/an/a
TypeTFTAnalogOLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIPX85 ATMn/aIP67

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/an/aKoodOS
Apps
Music

All Wearables