Fitbit Alta HR vs. Pebble Core vs. Polar A370 vs. Michael Kors Access Sofie HR vs. Amazfit T-Rex

 
Alta HR
Core
A370
Access Sofie HR
T-Rex
 FitbitAlta HRRemove Buy NowPebbleCoreRemove Buy NowPolarA370Remove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$99$179.95$395$140
Release20172016201720192019

Activity & Fitness

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

Battery

Duration7 daysNAUp to 3 days2 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 36NA160 x 80390 x 390360 x 360
Size1.4 inchesNA1.18 inches1.19 inches1.3 inches
TouchNA
TypeOLEDNATFT LCDOMOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceNAWR300.3 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemNAWear OSBuild-in
Apps
Music

All Wearables