Fitbit One vs. Polar Loop 2 vs. Diesel On Full Guard 2.5 vs. Garmin Vivosmart 4

 
One
Loop 2
On Full Guard 2.5
Vivosmart 4
 FitbitOneRemove Buy NowPolarLoop 2Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$120$325$130
Release2012201520182018

Activity & Fitness

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

Battery

Duration10-14 days8 days (without notifications)4 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a454x45448 x 128
Sizen/an/a1.39 inches0.74 inches
Touch
TypeOLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant2 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OS
Apps
Music

All Wearables