Pebble Time Round vs. Polar M400 vs. Withings Activite Pop vs. Withings Go vs. Fitbit Alta HR

 
Time Round
M400
Activite Pop
Go
Alta HR
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowWithingsActivite PopRemove Buy NowWithingsGoRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$200$150$80$150
Release20152014201520162017

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 days8 months8 months7 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/an/a
Macn/an/an/a
Windowsn/an/an/a

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/an/a128 x 36
Sizeroundn/a1.3 inchesn/a1.4 inches
Touchn/a
Typee-papern/aAnalogE-InkOLED

Functions

Audio SpeakerAlerts only
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemPebble OSn/an/an/a
Appsn/a
Music

All Wearables