Devices

Good afternoon,
I am in the process of making an app and therefore I have a question:
Do I have to program the app for each Iphone separately or how could I make it so that the labels and texts (no matter how big the Iphone is) are in one uniform place?
Thanks in advance.
Start by reading the Adaptivity and Layout section of the Human Interface Guidelines. It outlines the principles you should understand, and then leads you to the specific APIs and programming guides to implement an adaptive layout.

Do I have to program the app for each Iphone separately

No you don't.

how could I make it so that the labels and texts (no matter how big the Iphone is) are in one uniform place?

If you are using UIKit for the app's user interface, do some research on auto layout. Apple provides an Auto Layout Guide on their developer website. If you are using SwiftUI, you declare how you want the interface to look, and SwiftUI takes care of the details.
Thank you very much Edford and Szymczyk
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