Dynamic Updation

Like Youtube adds new videos to the app, without updating it, How can we make changes to an app without the user needing to update it from Appstore

By having the data on an external server rather than a local copy.

This is because YouTube has a database.

You can do things like changing content within an app. Without having to update it, but so far for the most part. There’s not really solutions for dynamically changing the look of the app without deploying an update through the App Store