Polar M600 vs. Fitbit One vs. Diesel On Full Guard 2.5 vs. Garmin Vivosmart 4 vs. Apple Series 6

 
M600
One
On Full Guard 2.5
Vivosmart 4
Series 6
 PolarM600Remove Buy NowFitbitOneRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminVivosmart 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$330$100$325$130$399
Release20162012201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days10-14 days4 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a454x45448 x 128384 x 480
Size1.3 inchesn/a1.39 inches0.74 inches40mm
Touchn/a
TypeTFTOLEDOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIPX8Splast Resistant3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OSWatchOS 5
Apps
Music

All Wearables