Polar M400 vs. Moov Now vs. Garmin Chronos vs. Samsung Live vs. Apple Watch 7

 
M400
Now
Chronos
Live
Watch 7
 PolarM400Remove Buy NowMoovNowRemove Buy NowGarminChronosRemove Buy NowSamsungLiveRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$79$1500$200$429
Release20142015201820142021

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months8 days1 Day18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a218 x 218320 x 320396 x 484
Sizen/an/a1.2 inches1.63 inches1.9 inches
Touchn/a
Typen/an/aMIPSuper AMOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/aNA
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/a10 ATMIP67water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSAndroid WearWatchOS 8
Apps
Music

All Wearables