POP: live paper interface prototypes for the iPhone

Many designers prefer the good old notebook and pencil to all other ways of creating interface sketches - it is difficult to prototype software with paper in simplicity, universality and intuitive clarity. But paper layouts have a serious drawback - they lack interactivity. The POP (Prototyping On Paper) application allows you to turn a pencil sketch into an interactive prototype. It is enough to photograph screen sketches, mark active elements on them - buttons, menu items, and set transitions between screens.



The created prototype can be shared with colleagues and customers, and get feedback and comments from them using the iPhone and iPad apps or via a browser. So far, in POP, you can mark up active elements only manually, automatic recognition of sketches by hand is too difficult for a young project, developers admit, but they have plans to release a set of stickers as standard iOS interface elements that can be recognized much easier, and then the interactive layout can be obtained from the paper even faster and easier.

The basic free tariff plan allows you to have two open projects, the minimum paid, sold now with a 50% discount for $ 5 a month, gives you the opportunity to conduct five closed projects and work in a team of five people. The maximum rate, $ 30 per month - 30 projects and 30 participants.
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Demonstration of the application can be found here .