Polar M400 vs. Garmin Vivosmart vs. Misfit Ray vs. Pebble Time 2 vs. Polar A370

 
M400
Vivosmart
Ray
Time 2
A370
 PolarM400Remove Buy NowGarminVivosmartRemove Buy NowMisfitRayRemove Buy NowPebbleTime 2Remove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$200$170$100$199$179.95
Release20142014201620162017

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days6 months10 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 16n/aNA160 x 80
Sizen/a1.41 inchesn/aNA1.18 inches
Touchn/a
Typen/aOLEDLEDe-paperTFT LCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM3 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aPebble OS
Apps
Music

All Wearables