Polar M400 vs. Fitbit Alta vs. Sony SmartBand Talk vs. Fitbit Flex vs. Misfit Vapor 2

 
M400
Alta
SmartBand Talk
Flex
Vapor 2
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowSonySmartBand TalkRemove Buy NowFitbitFlexRemove Buy NowMisfitVapor 2Remove Buy Now

Basic Info

Suggested Price$200$130$170$100$250
Release20142016201420132018

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days3 days5 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a296 x 128NA454 x 454
Sizen/an/a1.4 inchesNA1.42 inches
Touchn/aNA
Typen/aOLEDE InkLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/aIP681 ATM3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid WearNAWear OS
Apps
Music

All Wearables