Withings Activite Sapphire vs. Pebble Core vs. Polar A370 vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Activite Sapphire
Core
A370
Inspire HR
T-Rex
 WithingsActivite SapphireRemove Buy NowPebbleCoreRemove Buy NowPolarA370Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$450$99$179.95$99$140
Release20142016201720192019

Activity & Fitness

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

Battery

Duration8 monthsNAUp to 3 days5 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA160 x 80139 x 60360 x 360
Size1.3 inchesNA1.18 inches1.4 inches1.3 inches
TouchNA
TypeAnalogNATFT LCDOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMNAWR305 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNAFitbit OSBuild-in
Apps
Music

All Wearables