Polar M400 vs. Withings Activite Sapphire vs. Samsung Gear 2 vs. Jawbone UP4 vs. Skagen Falster 2

 
M400
Activite Sapphire
Gear 2
UP4
Falster 2
 PolarM400Remove Buy NowWithingsActivite SapphireRemove Buy NowSamsungGear 2Remove Buy NowJawboneUP4Remove Buy NowSkagenFalster 2Remove Buy Now

Basic Info

Suggested Price$200$450$300$200$199
Release20142014201420152019

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 months2-3 daysNA1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320NA320 x 320
Sizen/a1.3 inches1.63 inchesNA1.19 inches
TouchNA
Typen/aAnalogSuper AMOLEDNAOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP67NA3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizen OSNAWear OS
Apps
MusicNA

All Wearables