SDLC – RAD vs Iterative Waterfall Model

What is the difference between RAD and the Iterative waterfall model?

Iterative waterfall model

1. All product functionalities are developed together.
2. It does not facilitate accommodating requirement change requests.
3. The uses of the iterative waterfall model lead to the production of good documentation.
4. Also, the developed software usually has better quality and reliability than that developed using RAD.

Rapid Application Development model

1. Product functionalities are developed incrementally through heavy code and design reuse.
2. Customer feedback is obtained on the developed prototype after each iteration, based on this prototype is redefined.

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