Have you updated to iOS 27? If not, you probably should as it unlocks a bunch of new features on most recent generation iPhones - including adding Cinematic Mode within the Blackmagic Camera app. However, it does depend on the phone you have as the app has different options for the 18 Pro or the 17 Pro and earlier phones. And this has definitely caused some confusion, along with the fact that Blackmagic has changed the interface of the app at least twice in the last month or

When shooting with a small sensor camera like an iPhone it can be challenging to get a lot of shallow depth-of-field.

Check out the Subtly Cinematic LUTs for iPhone Cinematic mode & more, along with a great color grading hack.