Fitbit Alta vs. Fitbit Charge 2 vs. Apple Watch Series 2 vs. Fitbit Alta HR vs. Apple Watch Series 4

 
Alta
Charge 2
Watch Series 2
Alta HR
Watch Series 4
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$150$269$150$329
Release20162016201620172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312128 x 36384 x 480
Sizen/an/a1.5 inches or 1.65 inches1.4 inches1.78 inches
Touchn/an/a
TypeOLEDOLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/a5ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OSWatch OS 5
Apps
Music

All Wearables