Pebble Time Steel vs. Polar M400 vs. Withings Activite Sapphire vs. Pebble Time 2

 
Time Steel
M400
Activite Sapphire
Time 2
 PebbleTime SteelRemove Buy NowPolarM400Remove Buy NowWithingsActivite SapphireRemove Buy NowPebbleTime 2Remove Buy Now

Basic Info

Suggested Price$250$200$450$199
Release2015201420142016

Activity & Fitness

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

Battery

Duration10 days8 hours to 30 days8 months10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/an/aNA
Size1.26 inchesn/a1.3 inchesNA
Touch
Typee-papern/aAnaloge-paper

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/aPebble OS
Apps
Music

All Wearables