Fitbit One vs. Polar Loop 2 vs. Diesel On Full Guard 2.5 vs. Amazfit GTS vs. Garmin VivoActive 4

 
One
Loop 2
On Full Guard 2.5
GTS
VivoActive 4
 FitbitOneRemove Buy NowPolarLoop 2Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAmazfitGTSRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$120$325$150$349
Release20122015201820192019

Activity & Fitness

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

Battery

Duration10-14 days8 days (without notifications)4 days14 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a454x454348 x 442260 x 260
Sizen/an/a1.39 inches1.65 inches1.3ionches
Touch
TypeOLEDLEDAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSWear OSWear OS
Apps
Music

All Wearables