Polar M400 vs. Polar M600 vs. Misfit Flash Link vs. Fitbit Alta HR vs. Jawbone UP4

 
M400
M600
Flash Link
Alta HR
UP4
 PolarM400Remove Buy NowPolarM600Remove Buy NowMisfitFlash LinkRemove Buy NowFitbitAlta HRRemove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$200$330$20$150$200
Release20142016201520172015

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days6 months7 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240n/a128 x 36NA
Sizen/a1.3 inchesn/a1.4 inchesNA
Touchn/an/aNA
Typen/aTFTn/aOLEDNA

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX83 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aNA
Apps
MusicNA

All Wearables