Polar M400 vs. Polar Loop 2 vs. Fitbit Charge vs. Garmin Instinct

 
M400
Loop 2
Charge
Instinct
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowFitbitChargeRemove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$200$120$130$300
Release2014201520142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)7-10 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA128 x 128
Sizen/an/aNA0.9 inches
TouchNA
Typen/aLEDOLEDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM1 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables