Polar A360 vs. Polar Loop vs. Amazfit T-Rex vs. Garmin VivoActive 4 vs. HTC re Grip

 
A360
Loop
T-Rex
VivoActive 4
re Grip
 PolarA360Remove Buy NowPolarLoopRemove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$100$140$349$199
Release20152013201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration12 days5 days20 days8 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80NA360 x 360260 x 260160 x 32
Size1.18 inchesNA1.3 inches1.3ionches1.8 inches
Touch
Typen/aLEDAMOLEDMIPPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR302 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuild-inWear OSNA
Apps
Music

All Wearables