It would be nice to see this feature for iOS. This solution could be something akin to Spaces on macOS. With Spaces on macOS you are able to assign applications to a specific space, and the application will also show on that space. This means that you can assign applications that you want to group together to the same space. Given that it is iOS, there is likely a limit to the number of these “spaces” that could be configured. If Apple were to add this feature, it would go a long way for the “pro” users. I give the likelihood of this occurring is 50%.