Pebble Time vs. Pebble Time Steel vs. Polar M400 vs. Withings Go vs. Fitbit Flex

 
Time
Time Steel
M400
Go
Flex
 PebbleTimeRemove Buy NowPebbleTime SteelRemove Buy NowPolarM400Remove Buy NowWithingsGoRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$250$200$80$100
Release20152015201420162013

Activity & Fitness

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

Battery

Duration7 days10 days8 hours to 30 days8 months5 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144168 x 144n/an/aNA
Size1.26 inches1.26 inchesn/an/aNA
Touchn/aNA
Typee-papere-papern/aE-InkLED

Functions

Audio SpeakerAlerts only
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM3 ATM5 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables