Fitbit One vs. Polar Loop 2 vs. Apple Watch vs. Garmin Vivosmart 4 vs. Amazfit GTR

 
One
Loop 2
Watch
Vivosmart 4
GTR
 FitbitOneRemove Buy NowPolarLoop 2Remove Buy NowAppleWatchRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$120$349$130$199
Release20122015201520182019

Activity & Fitness

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

Battery

Duration10-14 days8 days (without notifications)18 hours7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 31248 x 128454 x 454
Sizen/an/a1.5 inches or 1.65 inches0.74 inches1.39 inches
Touch
TypeOLEDLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant2 ATMIPX75 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSBuild-in
Apps
Music

All Wearables