Polar Loop vs. Garmin Instinct vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Loop
Instinct
Inspire HR
T-Rex
 PolarLoopRemove Buy NowGarminInstinctRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$300$99$140
Release2013201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days14 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA128 x 128139 x 60360 x 360
SizeNA0.9 inches1.4 inches1.3 inches
Touch
TypeLEDOMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM10 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAFitbit OSBuild-in
Apps
Music

All Wearables