Polar M400 vs. Polar Loop 2 vs. New Balance RunIQ vs. Amazfit Arc vs. Fitbit Alta HR

 
M400
Loop 2
RunIQ
Arc
Alta HR
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowNew BalanceRunIQRemove Buy NowAmazfitArcRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$120$299$69.99$150
Release20142015201720162017

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)24 hours (5 hrs w GPS and heart rate)20 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 40072 x40128 x 36
Sizen/an/a1.39 inches0.42 inches1.4 inches
Touch
Typen/aLEDAMOLEDOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM5 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 1.5
Apps
Music

All Wearables