Apple's Preview app doesn't seem like it would be well-suited for the iPhone, given the screen size limitations relative to an iPad or Mac. And while I suspect Apple decided to add Preview to iOS 26 as part of an overall push for a unified software experience across its different devices, there's certainly a benefit to having an app where you can mark up and fill in documents right there on your iPhone.
Preview can handle everything from scanning documents to filling in PDF forms, all on a device that's usually close at hand. You can even do some light image editing with the app. I've been spending some time with iOS 26 Preview lately to find out more about this newly added iPhone app. Here are the seven tips, tricks and features that have stood out to me.
