Apple Watch Series 3 vs. Polar M400 vs. Garmin Chronos vs. Fitbit Alta HR vs. Fitbit Inspire HR

 
Watch Series 3
M400
Chronos
Alta HR
Inspire HR
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowGarminChronosRemove Buy NowFitbitAlta HRRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$329$200$1500$150$99
Release20172014201820172019

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 days8 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/a218 x 218128 x 36139 x 60
Size1.5 inches or 1.65 inchesn/a1.2 inches1.4 inches1.4 inches
Touch
TypeAMOLEDn/aMIPOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aWear OSFitbit OS
Apps
Music

All Wearables