Polar M400 vs. Garmin Vivosmart HR vs. Garmin Forerunner 935 vs. Pebble Time 2

 
M400
Vivosmart HR
Forerunner 935
Time 2
 PolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowGarminForerunner 935Remove Buy NowPebbleTime 2Remove Buy Now

Basic Info

Suggested Price$200$170$500$199
Release2014201520172016

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 daysUp to 2 weeks10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68240 x 240NA
Sizen/a1.08 inches1.2 inchesNA
Touch
Typen/an/aLCDe-paper

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aPebble OS
Apps
Music

All Wearables