Pebble Classic vs. Fitbit Alta vs. Fitbit Charge 3 vs. Pebble Core vs. Amazfit T-Rex

 
Classic
Alta
Charge 3
Core
T-Rex
 PebbleClassicRemove Buy NowFitbitAltaRemove Buy NowFitbitCharge 3Remove Buy NowPebbleCoreRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$99$130$150$99$140
Release20132016201820162019

Activity & Fitness

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

Battery

Duration5-7 days5 days7 daysNA20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution168 x 144n/a66 x 18NA360 x 360
Size1.26 inchesn/a.721 inchesNA1.3 inches
Touchn/aNA
Typee-paperOLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATMNA5 ATM

Notifications

PhoneNA
Emailsn/aNA
TextsNA

Software

Operating SystemPebble OSn/aNANABuild-in
Apps
Music

All Wearables