Fitbit Ionic vs. Fitbit Alta HR vs. Fitbit Charge 3 vs. Garmin Vivosmart 4 vs. Apple SE

 
Ionic
Alta HR
Charge 3
Vivosmart 4
SE
 FitbitIonicRemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowGarminVivosmart 4Remove Buy NowAppleSERemove Buy Now

Basic Info

Suggested Price$299$150$150$130$279
Release20172017201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days7 days7 days7 days18 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution348x250128 x 3666 x 1848 x 128384 x 480
Size1.421.4 inches.721 inches0.74 inches40mm
Touch
TypeOLEDOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet SensorNot yet
Water Resistance50m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSNAWatchOS 5
Apps
Music

All Wearables