Pebble Time Steel vs. Polar M400 vs. Fitbit Zip vs. Sony SmartBand 2 vs. Withings Go

 
Time Steel
M400
Zip
SmartBand 2
Go
 PebbleTime SteelRemove Buy NowPolarM400Remove Buy NowFitbitZipRemove Buy NowSonySmartBand 2Remove Buy NowWithingsGoRemove Buy Now

Basic Info

Suggested Price$250$200$60$130$80
Release20152014201220152016

Activity & Fitness

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

Battery

Duration10 days8 hours to 30 days6 months2 days8 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/an/a
Resolution168 x 144n/an/an/an/a
Size1.26 inchesn/an/an/an/a
Touchn/an/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 ATMSplash ResistantIP585 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables