Polar M400 vs. Polar Loop 2 vs. Fitbit Ionic vs. Polar Loop

 
M400
Loop 2
Ionic
Loop
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$120$299$100
Release2014201520172013

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)4+ 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/a348x250NA
Sizen/an/a1.42NA
Touch
Typen/aLEDOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM50m2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSNA
Apps
Music

All Wearables