Pebble 2 vs. Polar M400 vs. Garmin Vivosmart HR vs. Polar Loop 2 vs. Fitbit Alta HR

 
2
M400
Vivosmart HR
Loop 2
Alta HR
 Pebble2Remove Buy NowPolarM400Remove Buy NowGarminVivosmart HRRemove Buy NowPolarLoop 2Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$129$200$170$120$150
Release20162014201520152017

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days5 days8 days (without notifications)7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a160 x 68n/a128 x 36
Sizen/an/a1.08 inchesn/a1.4 inches
Touch
Typee-papern/an/aLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATM5 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/an/a
Apps
Music

All Wearables