Polar Loop 2 vs. Samsung Gear Sport vs. Fitbit Inspire HR vs. Amazfit GTR

 
Loop 2
Gear Sport
Inspire HR
GTR
 PolarLoop 2Remove Buy NowSamsungGear SportRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$120$299.99$99$199
Release2015201720192019

Activity & Fitness

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

Battery

Duration8 days (without notifications)2 days5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360139 x 60454 x 454
Sizen/a1.2 inches1.4 inches1.39 inches
Touch
TypeLEDSuper AMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSFitbit OSBuild-in
Apps
Music

All Wearables