Pebble Classic vs. Polar M400 vs. Polar A360 vs. Garmin 645 Music vs. Fitbit Alta HR

 
Classic
M400
A360
645 Music
Alta HR
 PebbleClassicRemove Buy NowPolarM400Remove Buy NowPolarA360Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$99$200$200$450$150
Release20132014201520182017

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days12 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a160 x 80240 x 240128 x 36
Size1.26 inchesn/a1.18 inches1.2 inches1.4 inches
Touch
Typee-papern/an/aMIPOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/a
Apps
Music

All Wearables