Polar M400 vs. Fitbit Alta HR vs. Garmin Vivosmart HR Plus vs. Misfit Vapor 2 vs. Apple Watch 8

 
M400
Alta HR
Vivosmart HR Plus
Vapor 2
Watch 8
 PolarM400Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart HR PlusRemove Buy NowMisfitVapor 2Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$150$179$250$499
Release20142017201720182022

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days5 days1 day18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 36160 x 68454 x 454340 x 272 or 390 x 312
Sizen/a1.4 inches0.5 inches x 0.8 inches1.42 inches1.5 inches or 1.65 inches
Touch
Typen/aOLEDLCDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OSWatchOS 9
Apps
Music

All Wearables