Fitbit Ionic vs. Amazfit Stratos vs. Asus VivoWatch vs. Apple Watch Series 4 vs. Fitbit Inspire HR

 
Ionic
Stratos
VivoWatch
Watch Series 4
Inspire HR
 FitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowAsusVivoWatchRemove Buy NowAppleWatch Series 4Remove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$299$199$160$329$99
Release20172018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days24 hours to 10 daysNot Yet5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 300128 x 128384 x 480139 x 60
Size1.421.34 inchesNA1.78 inches1.4 inches
Touch
TypeOLEDOLEDNAMicroLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance50m5 ATMIP67Not Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSProprietaryKoodOSWatch OS 5Fitbit OS
Apps
Music

All Wearables