Pebble Time Steel vs. Polar M400 vs. Polar Loop 2 vs. Asus ZenWatch vs. Fitbit Alta HR

 
Time Steel
M400
Loop 2
ZenWatch
Alta HR
 PebbleTime SteelRemove Buy NowPolarM400Remove Buy NowPolarLoop 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$250$200$120$150$150
Release20152014201520142017

Activity & Fitness

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

Battery

Duration10 days8 hours to 30 days8 days (without notifications)NA7 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/a320 x 320128 x 36
Size1.26 inchesn/an/a1.63 inches1.4 inches
Touch
Typee-papern/aLEDAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM2 ATMIP55

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemPebble OSn/an/aAndroid Wear
Apps
Music

All Wearables