Apple Watch Series 3 vs. Fitbit Ionic vs. Fitbit Alta HR vs. Diesel On Full Guard 2.5 vs. Apple SE

 
Watch Series 3
Ionic
Alta HR
On Full Guard 2.5
SE
 AppleWatch Series 3Remove Buy NowFitbitIonicRemove Buy NowFitbitAlta HRRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$329$299$150$325$279
Release20172017201720182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ days7 days4 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312348x250128 x 36454x454384 x 480
Size1.5 inches or 1.65 inches1.421.4 inches1.39 inches40mm
Touch
TypeAMOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance5 ATM50m3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Fitbit OSWear OSWatchOS 5
Apps
Music

All Wearables