Agile Vs Spiral Model for SDLC

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I believe that Agile is nothing but another implementation of Spiral Model. I am a big supporter of Spiral (The spiral model is a software development process combining elements of both design and prototyping-in-stages, in an effort to combine advantages of top-down and bottom-up concepts) since its beginnings and have seen that lot of projects implement Spiral without knowing that they are operating in a Spiral world. Since the day Agile started gaining popularity the concept of spiral started getting overlooked a little bit. I am sure that for complex projects spiral is still the best alternative but I would like to get a better understanding of the similarities and differences between Agile and Spiral techniques. Can anyone explain their differences/similarities?
Apr 13, 2022 in PMP by Edureka
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Agile model Vs Spiral model:

Agile model Spiral model
The main principle of the Agile model is to achieve agility by removing unnecessary activities that waste time and effort. The main principle of the Spiral model is risk handling.
The Agile model focuses on the delivery of an increment to the customer after each Time-box, so customer interaction is more frequent. Spiral model mainly deals with various kinds of unanticipated risks but customer interaction is less.
Agile model is suitable for large projects that are easy to divide into small parts that can be easily developed incrementally over each iteration. The Spiral model is suitable for those projects that are prone to various kinds of risks that are difficult to anticipate at the beginning of the project.
Agile model does not rely on documentation. Proper documentation is required for Spiral model.
answered Apr 14, 2022 by gaurav
• 23,260 points

edited Mar 5

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