Polar Loop 2 vs. Amazfit Arc vs. Jawbone UP4 vs. Polar Loop vs. HTC re Grip

 
Loop 2
Arc
UP4
Loop
re Grip
 PolarLoop 2Remove Buy NowAmazfitArcRemove Buy NowJawboneUP4Remove Buy NowPolarLoopRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$120$69.99$200$100$199
Release20152016201520132020

Activity & Fitness

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

Battery

Duration8 days (without notifications)20 daysNA5 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
Macn/aNANANA
Windowsn/aNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40NANA160 x 32
Sizen/a0.42 inchesNANA1.8 inches
TouchNA
TypeLEDOLEDNALEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP67NA2 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANANA
Apps
MusicNA

All Wearables