Pebble Core vs. Polar A370 vs. Fitbit Inspire HR vs. Amazfit T-Rex vs. Fitbit Inspire 3

 
Core
A370
Inspire HR
T-Rex
Inspire 3
 PebbleCoreRemove Buy NowPolarA370Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$99$179.95$99$140$100
Release20162017201920192022

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

DurationNAUp to 3 days5 days20 days10 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA160 x 80139 x 60360 x 36032x18
SizeNA1.18 inches1.4 inches1.3 inches46 inches
TouchNA
TypeNATFT LCDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceNAWR305 ATM5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemNAFitbit OSBuild-in
Apps
Music

All Wearables