Fitbit Charge 2 vs. Pebble Core vs. Polar A370 vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Charge 2
Core
A370
Inspire HR
T-Rex
 FitbitCharge 2Remove Buy NowPebbleCoreRemove Buy NowPolarA370Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$99$179.95$99$140
Release20162016201720192019

Activity & Fitness

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

Battery

Duration5 daysNAUp to 3 days5 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA160 x 80139 x 60360 x 360
Sizen/aNA1.18 inches1.4 inches1.3 inches
Touchn/aNA
TypeOLEDNATFT LCDOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aNAWR305 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNAFitbit OSBuild-in
Apps
Music

All Wearables