Polar M400 vs. Misfit Ray vs. Apple Watch Series 2 vs. Motorola Moto 360 (1st Gen) vs. Polar A370

 
M400
Ray
Watch Series 2
Moto 360 (1st Gen)
A370
 PolarM400Remove Buy NowMisfitRayRemove Buy NowAppleWatch Series 2Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$200$100$269$150$179.95
Release20142016201620142017

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months18 hours1 dayUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a340 x 272 or 390 x 312320 x 260160 x 80
Sizen/an/a1.5 inches or 1.65 inches1.56 inches1.18 inches
Touchn/a
Typen/aLEDAMOLEDLCDTFT LCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5ATMIP67WR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSAndroid Wear
Apps
MusicNA

All Wearables