Jawbone UP2 vs. Polar A370 vs. Apple Watch Series 4 vs. Amazfit GTR

 
UP2
A370
Watch Series 4
GTR
 JawboneUP2Remove Buy NowPolarA370Remove Buy NowAppleWatch Series 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$179.95$329$199
Release2015201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 daysUp to 3 daysNot Yet24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA160 x 80384 x 480454 x 454
SizeNA1.18 inches1.78 inches1.39 inches
TouchNA
TypeNATFT LCDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash resistantWR30Not Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWatch OS 5Build-in
Apps
Music

All Wearables