Fitbit Alta vs. Fitbit Alta HR vs. Apple Watch Series 4 vs. Diesel On Full Guard 2.5 vs. Fitbit Versa 2

 
Alta
Alta HR
Watch Series 4
On Full Guard 2.5
Versa 2
 FitbitAltaRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 4Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitVersa 2Remove Buy Now

Basic Info

Suggested Price$130$150$329$325$199
Release20162017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 daysNot Yet4 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 36384 x 480454x454300 x 300
Sizen/a1.4 inches1.78 inches1.39 inches1.34 inches
Touchn/a
TypeOLEDOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aNot Yet3 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OS 5Wear OSBuild-in
Apps
Music

All Wearables