Pebble Steel vs. Withings Activite Pop vs. Polar Loop vs. Amazfit T-Rex

 
Steel
Activite Pop
Loop
T-Rex
 PebbleSteelRemove Buy NowWithingsActivite PopRemove Buy NowPolarLoopRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$150$100$140
Release2014201520132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days8 months5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/aNA360 x 360
Size1.26 inches1.3 inchesNA1.3 inches
Touch
Typee-paperAnalogLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aNABuild-in
Apps
Music

All Wearables