Polar M400 vs. Moov Now vs. Fitbit Versa vs. Polar Loop

 
M400
Now
Versa
Loop
 PolarM400Remove Buy NowMoovNowRemove Buy NowFitbitVersaRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$79$199.99$100
Release2014201520182013

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months4 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a300 x300NA
Sizen/an/a1.34 inchesNA
Touchn/a
Typen/an/aOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/a5 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables