Polar M400 vs. Misfit Ray vs. Moov Now vs. Amazfit Arc vs. Fitbit Alta HR

 
M400
Ray
Now
Arc
Alta HR
 PolarM400Remove Buy NowMisfitRayRemove Buy NowMoovNowRemove Buy NowAmazfitArcRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$100$79$69.99$150
Release20142016201520162017

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months6 months20 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a72 x40128 x 36
Sizen/an/an/a0.42 inches1.4 inches
Touchn/an/a
Typen/aLEDn/aOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATM5 ATMn/aIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/a
Apps
Music

All Wearables