Polar Loop 2 vs. Polar A370 vs. Apple Watch Series 4 vs. Garmin Instinct

 
Loop 2
A370
Watch Series 4
Instinct
 PolarLoop 2Remove Buy NowPolarA370Remove Buy NowAppleWatch Series 4Remove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$120$179.95$329$300
Release2015201720182018

Activity & Fitness

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

Battery

Duration8 days (without notifications)Up to 3 daysNot Yet14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80384 x 480128 x 128
Sizen/a1.18 inches1.78 inches0.9 inches
Touch
TypeLEDTFT LCDMicroLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMWR30Not Yet10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5
Apps
Music

All Wearables