Olio Model One vs. Polar M400 vs. Garmin Vivofit 4 vs. Garmin Vivosmart HR Plus vs. Apple Watch 7

 
Model One
M400
Vivofit 4
Vivosmart HR Plus
Watch 7
 OlioModel OneRemove Buy NowPolarM400Remove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart HR PlusRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$595$200$79.95$179$429
Release20152014201820172021

Activity & Fitness

Caloriesn/a
Cycling (Bicycling)n/a
Distancen/a
Heartn/an/a
Oxygenn/a
Sleepn/a
Stepsn/a
Swimn/a

Battery

Duration2 days8 hours to 30 days1 year5 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPSn/a
NFCn/a
Wi-Fi

Display

Color
Resolutionn/an/a88 x 88160 x 68396 x 484
Sizen/an/aNA0.5 inches x 0.8 inches1.9 inches
Touch
Typen/an/aNALCDMicroLED

Functions

Audio Speakern/aAlerts only
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM5 ATMwater resistant but not waterproof

Notifications

Phonen/a
Emails
Texts

Software

Operating Systemn/an/aNAWatchOS 8
Appsn/a
Music

All Wearables