Polar M400 vs. Polar M600 vs. Garmin Vivosmart HR vs. Swatch Touch Zero One vs. Apple Watch 7

 
M400
M600
Vivosmart HR
Touch Zero One
Watch 7
 PolarM400Remove Buy NowPolarM600Remove Buy NowGarminVivosmart HRRemove Buy NowSwatchTouch Zero OneRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$200$330$170$220$429
Release20142016201520152021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleepn/a
Steps
Swimn/a

Battery

Duration8 hours to 30 days2 days5 daysn/a18 Hours
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240160 x 68n/a396 x 484
Sizen/a1.3 inches1.08 inchesn/a1.9 inches
Touchn/a
Typen/aTFTn/an/aMicroLED

Functions

Audio SpeakerAlerts onlyAlerts onlyn/a
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMIPX85 ATMwater resistant but not waterproof

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aAndroid Wearn/an/aWatchOS 8
Apps
Musicn/a

All Wearables