The high fidelity prototype serves developers as a model to understand interactions, reactions and animations. High fidelity prototypes are usually implemented in the same technology as the future application. This provides the advantage for developers to be able to use interaction elements from the prototype in the final product. The development is accompanied by interaction designers. Before the final implementation the prototype is evaluated with users and clients. The high fidelity prototype goes without single intermediate steps and correct image and text content how they would be relevant for a narrative presentation of a medium fidelity prototype.
High fidelity prototypes convey the ‘feel’ and the functionality of an application. This assures a high usability and joy of use in the end product.