Fitbit Blaze vs. Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Fitbit Flex 2 vs. Fitbit Flex

 
Blaze
Moto 360 (2nd Gen)
M400
Flex 2
Flex
 FitbitBlazeRemove Buy NowMotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowFitbitFlex 2Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$300$200$100$100
Release20162015201420162013

Activity & Fitness

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

Battery

Duration5 Days1.5 days8 hours to 30 days5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a360 x 325 or 360 x 330n/an/aNA
Sizen/a1.37 inches or 1.56 inchesn/an/aNA
Touchn/aNA
TypeLCDLCDn/aLEDLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP673 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/an/aNA
Apps
Musicn/a

All Wearables