Pebble Time Steel vs. Polar M400 vs. Withings Steel HR vs. Fitbit Zip vs. Withings Go

 
Time Steel
M400
Steel HR
Zip
Go
 PebbleTime SteelRemove Buy NowPolarM400Remove Buy NowWithingsSteel HRRemove Buy NowFitbitZipRemove Buy NowWithingsGoRemove Buy Now

Basic Info

Suggested Price$250$200$180$60$80
Release20152014201620122016

Activity & Fitness

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

Battery

Duration10 days8 hours to 30 days25 days6 months8 months
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/an/an/an/a
Size1.26 inchesn/an/an/an/a
Touchn/a
Typee-papern/an/an/aE-Ink

Functions

Audio SpeakerAlerts only
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATMSplash Resistant5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables