Pebble Time Pebble Time Steel Polar M400 TomTom Spark
  Pebble Time Remove Buy Now Pebble Time Steel Remove Buy Now Polar M400 Remove Buy Now TomTom Spark Remove Buy Now

Basic Info

Suggested Price $150 $250 $200 $150
Release 2015 2015 2014 2015

Activity & Fitness

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

Battery

Duration 7 days 10 days 8 hours to 30 days n/a
Rechargeable

Compatibility

Android
iOS
Windows Phone n/a n/a n/a n/a
Mac n/a n/a
Windows n/a n/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color n/a
Resolution 168 x 144 168 x 144 n/a n/a
Size 1.26 inches 1.26 inches n/a n/a
Touch
Type e-paper e-paper n/a LCD

Functions

Audio Speaker Alerts only Bluetooth
Clock
Phone n/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 5 ATM 5 ATM 3 ATM 5 ATM

Notifications

Phone n/a
Emails n/a
Texts n/a

Software

Operating System Pebble OS Pebble OS n/a n/a
Apps
Music