Fitbit Alta vs. Fitbit Charge 3 vs. Pebble Core vs. Amazfit GTR vs. Apple Series 6

 
Alta
Charge 3
Core
GTR
Series 6
 FitbitAltaRemove Buy NowFitbitCharge 3Remove Buy NowPebbleCoreRemove Buy NowAmazfitGTRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$150$99$199$399
Release20162018201620192020

Activity & Fitness

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

Battery

Duration5 days7 daysNA24 daysNot yet
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a66 x 18NA454 x 454384 x 480
Sizen/a.721 inchesNA1.39 inches40mm
Touchn/aNA
TypeOLEDOLEDNAAMOLEDMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a5 ATMNA5 ATM

Notifications

PhoneNA
Emailsn/aNA
TextsNA

Software

Operating Systemn/aNANABuild-inWatchOS 5
Apps
Music

All Wearables