Rapid Application Development’s Pros and Cons Explained

Rapid Application Development is a team-based technique which is based on prototyping and iterative development where no detailed pre-planning is involved. RAD implements the complete methodology of four-phase life-cycle. It is used when a system needs to support a company’s new business function. The main objective of RAD is to cut the development time and its costs by incorporating users in every phase used in RAD.
With Rapid Application Development, developers can update software quickly and adds multiple iterations without needing to start from the beginning.  It is an improvement over the previously used traditional waterfall model, which was more complex as in that case, it was very difficult to change the core functions and features when it went in the testing phase. It was less useful as it didn’t fit the evolving environment of any company.

Four phases implemented in RAD(Rapid Application Development):

  • Requirement-planning:

    In this phase, the RAD team (users, managers, and IT staff) agree upon the business needs, project scope, and system requirements.

    User Design:

    The purpose is to give the users an idea of the features and ensure that there are no bugs in the coding.

  • Construction:

    The users continue to participate by suggesting improvement or changes during the development process. The main motive for the developers is to get the project’s end product to align with the user’s vision.

  • Cutover:

    Tasks like data conversion, testing, the changeover to the new system and user training are included. The reliability and stability of the software are checked for which the final round of testing is done.

6 Pros of Rapid Application Development

Efficient:

Rapid application development allows the quick testing of prototypes for various functions and features. The end product has stability, usability, and maintainability.

Flexibility:

It is effortless in changing the core functions of the software when the program is in the testing phase. The prototypes are individually tested at every iteration, which reduces the overall testing time.

Quality Control:

It mainly focuses on the business problems that are important to the end-user. The software is more useful as it involves an evolving prototype suitable for business functionality. More feedback leads to higher customer satisfaction and better quality of the end product, i.e., software.

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