RAD Model: Definition & Stages of Rapid Application Development Process

Any descriptions for adding, removing, or changing the data objects are also created during this phase. During the Data Modeling stage, all the information gathered during the Business Modeling phase is analyzed. Through the analysis, the information is grouped into different groups that can be useful to the company. The quality of each data group is carefully rapid application development definition examined and given an accurate description. A relationship between these groups and their usefulness as defined in the Business Modeling step is also established during this phase of the RAD model. Clickable prototype – this type of prototype already begins to have rudimentary User Experience design so that you can see where each of the buttons lead.

  • However, finding a flexible, experienced, and multi-talented workforce is critical if a corporation intends to develop a product using a RAD strategy with the help of product management tools.
  • “RAD tool” and “Rapid Application Development Tool” redirect here.
  • If you’ve got a pool of users who can give consistent and reliable feedback on the prototypes you make, then rapid application development is a great model to follow.
  • Numerous software development teams are looking for ways to develop software faster and reduce their operating expenses while doing so.
  • In the waterfall model, users would define requirements and then mostly go away as developers created the system.
  • Microsoft PowerApps with Microsoft Azure is a popular choice among rapid application development solutions among professional and novice developers worldwide.

Time boxing may cause some features to be delayed in order to complete short release cycles. Each component should be modular to allow elements to be easily imported and customized. RAD is particularly useful for systems that are component-based and scalable, but suitable for more feature-rich projects that require longer development times.

Rapid Application Development (RAD) Definition

Regular communication and constant feedback increases overall efficiency and quality. The iterative design and access to UI/UX components of a system puts feedback at the forefront of the process. Traditionally, developers work in silos devoid of feedback, so receiving feedback can be inherently difficult, time consuming and costly, involving long meetings and phone calls. RAD increases customer satisfaction levels through a commitment to a high level of collaboration and coordination. Clients work hand-in-hand with developers, who have the opportunity to frequently present work, and gain confidence that they are on track with satisfying the client when the final product is delivered. The incorporation of testing throughout the project lifecycle improves the overall software quality, validating and refining requirements based on user feedback.

The goal is to create dynamic and adaptable projects with a significant shift in managers’ and internal team members’ cultures and perspectives. Rapid Application Development, or RAD development, which is an iterative approach that focuses on speed where the goal is to develop and deliver a product quickly by developing multiple components in parallel. Some of the most commonly used methods include the Agile model, the Iterative model, the Waterfall model, the DevOps model, and the Verification and Validation model. Microsoft PowerApps with Microsoft Azure is a popular choice among rapid application development solutions among professional and novice developers worldwide.


Rapid Application Development is an agile methodology that emphasizes rapid prototype launches and prototypes. Unlike the Waterfall approach, RAD prioritizes applications and user input over rigid preparation and requirements information. While RAD system has evolved, these four fundamental phases of rapid application development have remained consistent. In this step, prototypes and beta systems are converted into working models.

It also helps developers figure out what works and what doesn’t work in their projects so that they can adjust accordingly before spending too much money on development costs. The RAD model makes it easier to maintain your project because the code is organized, well-documented, and reusable. You can also don’t need to hire highly skilled developers in order to complete projects faster and more efficiently.

Steps in Rapid Application Development

RAD is especially well suited for developing software that is driven by user interface requirements. Graphical user interface builders are often called rapid application development tools. Other approaches to rapid development include the adaptive, agile, spiral, and unified models.

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Phase 4: Cutover

In modern Information Technology environments, many systems are now built using some degree of Rapid Application Development . In addition to Martin’s method, agile methods and the Rational Unified Process are often used for RAD development. “RAD tool” and “Rapid Application Development Tool” redirect here.

rapid application development definition

This approach has fewer integration issues because integration takes place from the very beginning, and the new features and improvements can be introduced to the prototype on the go. This requires team members with excellent domain knowledge, which may not always be available, particularly in smaller businesses that may be reliant on external experts. In the RAD model, it is important to clearly and precisely identify requirements before designing the prototype. Developers design the prototype and continuously refine it to incorporate client feedback until it meets expectations. Agile is different because it places a greater emphasis on the individuals doing the job and how they collaborate.

Is the RAD model right for your team?

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rapid application development definition

RAD creates processes that are focused on speed and flexibility and combines them with the flexible approach of the agile methodology. If you have a smartphone or computer tablet, you probably have used some game apps, news apps, or even map apps to help you find the local coffee shop. Application development is the name of the profession that employs people who design, develop, and deploy these computer applications. The project goals, problems, and expectations get communicated by the client/user. The development team takes these up to evaluate these requirements and finalize the agreed set of updates. During this step, stakeholders sit together to define and finalize project requirements such as project goals, expectations, timelines, and budget.

It allows you to quickly respond to changes such as customer feedback, market conditions, and new technologies. Flexibility can be achieved by designing a system that’s modular and easily extensible so that it can accommodate new features without breaking existing code. Once stakeholders are satisfied with the design, the next step is to create a working prototype of their application. This allows users to test whether the system actually works as expected, which helps uncover any potential issues early on in the process. Lucidchart makes this possible—our intuitive visual productivity platform allows you to map out every step of the process from scoping to build. With a shorter planning phase and a focus on highly iterative design and construction, RAD teams are able to accomplish more in less time without sacrificing client satisfaction.

What Does Rapid Application Development Mean?

Developers then gather user feedback to tweak and improve prototypes and create the best possible product. As soon as you finish scoping the project, you can begin development. Designers and developers will work closely with clients to create and improve upon working prototypes until the final product is ready.

User design is a continuous interactive process that allows users to understand, modify, and eventually approve a working model of the system that meets their needs. Here are a few advantages and disadvantages of using rapid application development. The four phases of RAD include analysis phase, design phase, rapid construction phase, and testing.

Application Development Models

By getting approval from each key stakeholder and developer, teams can avoid miscommunications and costly change orders down the road. In the world of project management, “agile” is the method du jour. RAD prevents software from failing entirely as the functionality of the software prototype is reviewed and tested during earlier delivery cycles. This approach reduces rework by encouraging the reusability of development components.

The history of Rapid Application Development

Rapid Application Development is a software development methodology used to develop large-scale applications. Rapid Application Development is an agile strategy for project management that is particularly popular in software development. Since they work in a fast-paced environment, developers often prefer a RAD approach for fast turnaround. The focus of rapid application development is to deliver high-quality software during a short period of time. In contrast to Agile’s emphasis on production time, rapid application development promotes quick prototyping instead of more expensive planning.

Usually, waterfall development methodologies imply static development expenses. It means that the budget cannot get adjusted even for massive projects. Since there is a collaboration between users and developers in RAD, it enhances customer satisfaction and user experience. In this model, the development team and the client or client network work collaboratively to determine the goal of any given project. The other issues cited above present special challenges when using a RAD approach for very large scale systems. One of the advantages of RAD is that it provides a flexible adaptable process.

Use Codebots for App Development

In 1991, this approach became the premise of the bookRapid Application Development. One thing virtually all approaches to RAD have in common is that there is much more interaction throughout the entire life-cycle between users and developers. In the waterfall model, users would define requirements and then mostly go away as developers created the system. In RAD users are involved from the beginning and through virtually the entire project. This requires that the business is willing to invest the time of application domain experts.