Polar M400 vs. Polar M600 vs. Misfit Flash Link vs. Fitbit Alta HR vs. Garmin Instinct

 
M400
M600
Flash Link
Alta HR
Instinct
 PolarM400Remove Buy NowPolarM600Remove Buy NowMisfitFlash LinkRemove Buy NowFitbitAlta HRRemove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$200$330$20$150$300
Release20142016201520172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days6 months7 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240n/a128 x 36128 x 128
Sizen/a1.3 inchesn/a1.4 inches0.9 inches
Touchn/an/a
Typen/aTFTn/aOLEDOMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX83 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/a
Apps
Music

All Wearables