Difference between Prototype Model and Incremental Model

1. Prototype Model :
Prototype Model is a software development life cycle model which is used when the customer is not known completely about how the end product should be and its requirements. So in this model, a prototype of the end product is first developed by the developers and then tested and changes were made as per customer feedback until the customer is satisfied with the prototype.

2. Incremental Model :
Incremental Model is a model of software development where the product is, analyzed, designed, implemented and tested incrementally until the product is finished. Multiple development cycles take place and these cycles are divided into more smaller modules. Generally a working software in incremental model is produced during first module Each subsequent release of the module adds function to the previous release. In incremental model, process continues till the complete system is achieved.



Difference between Prototype Model and Incremental Model :

S.No. Prototype Model Incremental Model
1. Prototype model is a software development model where a prototype is built, tested and then refined as per customer needs. Incremental Model is a software development model where the product is, analyzed, designed, implemented and tested incrementally until the product is finished
2. It is suitable for high-risk projects. Incremental model can’t handle large project.
3. Cost of prototype model is Low. Cost of incremental model is also Low.
4. Flexibility to change in prototype model is Easy. Flexibility to change in incremental model is Easy.
5. It does not support automatic code generation. It supports automatic code generation as. results in minimal code writing.
6. It does not give emphasis on risk analysis. It give emphasis on risk analysis.
7. In this user involvement is high. In this user Involvement is only at the beginning.

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