Fitbit One vs. Polar Loop 2 vs. Garmin Vivoactive 3 vs. Amazfit GTR vs. HTC re Grip

 
One
Loop 2
Vivoactive 3
GTR
re Grip
 FitbitOneRemove Buy NowPolarLoop 2Remove Buy NowGarminVivoactive 3Remove Buy NowAmazfitGTRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$120$299$199$199
Release20122015201720192020

Activity & Fitness

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

Battery

Duration10-14 days8 days (without notifications)7 days24 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240454 x 454160 x 32
Sizen/an/a1.2 inches1.39 inches1.8 inches
Touch
TypeOLEDLEDMIPAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant2 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuild-inNA
Apps
Music

All Wearables