The short answer is, YES. You can publish your app on all 3 platforms using the same programming.
First, you might wonder, “Why even put your app in the app stores? “ In a nutshell, the answer is because that is where the users are. We’ve taught a generation of users to look for software in private app stores rather than on the open internet.
Starting with Google, app marketplaces have been placing Progressive Web Apps live. What is Progressive Web App? – a new go-to method of software delivery. With all of this in mind, it would be a shame not to use this emerging technology to help your app reach a wider audience.
Progressive Web Apps were previously only available as web installations (Add to Home Screen). However, as time passed, app marketplaces such as Google and Microsoft began to recognize the power of PWAs and took steps to accelerate adoption of this future technology.