Fitbit Alta vs. Apple Watch vs. Apple Watch Series 4 vs. Apple Series 6 vs. Fitbit Sense 2

 
Alta
Watch
Watch Series 4
Series 6
Sense 2
 FitbitAltaRemove Buy NowAppleWatchRemove Buy NowAppleWatch Series 4Remove Buy NowAppleSeries 6Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$130$349$329$399$300
Release20162015201820202022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hoursNot YetNot yet6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312384 x 480384 x 480336x336
Sizen/a1.5 inches or 1.65 inches1.78 inches40mm1.59 inches
Touchn/a
TypeOLEDAMOLEDMicroLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/aIPX7Not Yet5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSWatch OS 5WatchOS 5
Apps
Music

All Wearables