Pebble Core vs. Polar A370 vs. Diesel On Full Guard 2.5 vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Core
A370
On Full Guard 2.5
Inspire HR
T-Rex
 PebbleCoreRemove Buy NowPolarA370Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$99$179.95$325$99$140
Release20162017201820192019

Activity & Fitness

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

Battery

DurationNAUp to 3 days4 days5 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA160 x 80454x454139 x 60360 x 360
SizeNA1.18 inches1.39 inches1.4 inches1.3 inches
TouchNA
TypeNATFT LCDOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceNAWR303 ATM5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemNAWear OSFitbit OSBuild-in
Apps
Music

All Wearables