Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Withings Activite Steel vs. Fitbit Flex vs. Apple SE

 
Moto 360 (2nd Gen)
M400
Activite Steel
Flex
SE
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowWithingsActivite SteelRemove Buy NowFitbitFlexRemove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$300$200$170$100$279
Release20152014201520132020

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days8 months5 days18 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/an/aNA384 x 480
Size1.37 inches or 1.56 inchesn/a1.3 inchesNA40mm
TouchNA
TypeLCDn/aAnalogLEDMicroLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water ResistanceIP673 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aNAWatchOS 5
Apps
Musicn/a

All Wearables