Polar M400 vs. Sony SmartWatch 3 vs. Misfit Flash Link vs. Fitbit Flex vs. Jawbone UP2

 
M400
SmartWatch 3
Flash Link
Flex
UP2
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowMisfitFlash LinkRemove Buy NowFitbitFlexRemove Buy NowJawboneUP2Remove Buy Now

Basic Info

Suggested Price$200$250$20$100$100
Release20142014201520132015

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days6 months5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320n/aNANA
Sizen/a1.6 inchesn/aNANA
Touchn/aNANA
Typen/aTFT LCDn/aLEDNA

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP683 ATM1 ATMSplash resistant

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aNANA
Apps
Music

All Wearables