Fitbit Alta vs. Fitbit Charge 2 vs. Apple Watch Series 2 vs. Pebble Core vs. Apple Series 6

 
Alta
Charge 2
Watch Series 2
Core
Series 6
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowAppleWatch Series 2Remove Buy NowPebbleCoreRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$150$269$99$399
Release20162016201620162020

Activity & Fitness

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

Battery

Duration5 days5 days18 hoursNANot yet
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312NA384 x 480
Sizen/an/a1.5 inches or 1.65 inchesNA40mm
Touchn/an/aNA
TypeOLEDOLEDAMOLEDNAMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/an/a5ATMNA

Notifications

PhoneNA
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aWatch OSNAWatchOS 5
Apps
Music

All Wearables