Polar Loop 2 vs. Garmin Forerunner 935 vs. Amazfit Arc vs. Jawbone UP4 vs. Jaybird Reign

 
Loop 2
Forerunner 935
Arc
UP4
Reign
 PolarLoop 2Remove Buy NowGarminForerunner 935Remove Buy NowAmazfitArcRemove Buy NowJawboneUP4Remove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$120$500$69.99$200$150
Release20152017201620152015

Activity & Fitness

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

Battery

Duration8 days (without notifications)Up to 2 weeks20 daysNA5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 24072 x40NANA
Sizen/a1.2 inches0.42 inchesNANA
TouchNANA
TypeLEDLCDOLEDNALED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATMIP67NANA

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
MusicNA

All Wearables