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3. Productivity Application Architecture > Understanding Productivity Apps

Understanding Productivity Apps

The original iPhone Human Interface Guidelines (HIG) organized applications into three general categories: utility, productivity, and immersive applications. Utility applications provide a single view of the data with little or no interaction. Productivity applications manage and organize complex data. Immersive applications use custom views and controls, taking over the entire screen to provide a rich, interactive user experience.

Apple has since dropped these categories from the iOS HIG, and that makes a certain amount of sense. As the platform continues to mature, developers naturally push against these boundaries. Few modern applications fit cleanly into one of these categories. Even back when the iPhone first came out, many applications used a hybrid approach. Look at the iPod app. Its Cover Flow interface injects an immersive element into an otherwise straightforward productivity app.


  

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