Fitbit Alta vs. Apple Watch Series 2 vs. Apple Watch Series 5 vs. Diesel On Full Guard 2.5 vs. Fitbit Inspire HR

 
Alta
Watch Series 2
Watch Series 5
On Full Guard 2.5
Inspire HR
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowAppleWatch Series 5Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$130$269$329$325$99
Release20162016201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hoursNot Yet4 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312384 x 480454x454139 x 60
Sizen/a1.5 inches or 1.65 inches1.78 Inches1.39 inches1.4 inches
Touchn/a
TypeOLEDAMOLEDMicroLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATMNot Yet3 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSWatchOS 5Wear OSFitbit OS
Apps
Music

All Wearables