Polar M400 vs. Fitbit One vs. ASUS ZenWatch 3 vs. Motorola Moto 360 (1st Gen) vs. Apple Series 6

 
M400
One
ZenWatch 3
Moto 360 (1st Gen)
Series 6
 PolarM400Remove Buy NowFitbitOneRemove Buy NowASUSZenWatch 3Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$100$229$150$399
Release20142012201720142020

Activity & Fitness

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

Battery

Duration8 hours to 30 days10-14 days48 hours1 dayNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400320 x 260384 x 480
Sizen/an/a1.39 inches1.56 inches40mm
Touch
Typen/aOLEDAMOLEDLCDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATMSplast ResistantIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Android WearWatchOS 5
Apps
MusicNA

All Wearables