XCode / Swift App Development Sizing

Hello everyone! I’m very new to app development and trying to finalize my first app when I thought about something pretty concerning. The main thing I’m curious about was the sizing for each iOS device? Will the app automatically size to the screen the user is using the app on? I really couldn’t find much online about this and was hoping to find some help on here. As of now, I’ve been running my app on the iPhone SE simulator in XCode and I have the app downloaded into my iPhone 11 through testflight, and both seem to be looking great with the layout.

Any help is greatly appreciated!!!


Hi Travis,

Welcome to the codewithchris community.

It’s probably fortunate that you started off with the iPhone SE as that is the smallest screen size. It means that everything will work on a larger screen.

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Great! That’s good to know from now on, appreciate the help!