Main Difference between SRS, FRS and BRS

Difference among SRS, FRS and BRS are seems to be same but in reality they all are different and important too because many of us do not know these simple basic terms, in simply we know these terms but not exactly. That is why I am writing the difference among SRS, BRS and FRS in tabular form so that those who are new to software testing field can learns it easily.

You can see the difference between SRS and BRS in tabular form below so that you can learn it easily and effectively.

Distinction among BRS,FRS and SRS – Top 7
1. It means “Software Requirement Specification” (SRS).

1. It means “Functional Requirement Specification” (FRS).
1. It means “Business Requirement Specification” (BRS).
2. It deals with resources provided by Company.

2. It deals with requirements given by client.
2. It deals with aspects of business requirements.
3. It always includes Use cases to describe the interaction of the system.
3. In this Use cases are not included.
3. In this Use cases are also not included.
4. It is developed by System Analyst. And it is also known as User Requirement Specifications.
4. It is always developed by developers and engineers.
4. It is always developed by Business Analyst.
5. In SRS, we describe all the business functionalities of the application.
5. In FRS, we describe the particular functionalities of   every single page in detail from start to end.
5.In BRS, we defines what exactly customer wants. This is the document which is followed by team from start to end.
6. SRS tells means explains all the functional and non functional requirements.
6. FRS tells means explains the sequence of operations to be followed on every single process.
6. BRS tells means explains the story of whole requirements.
7. SRS is a complete document which describes the behavior of the system which would be developed.

7. FRS is a document, which describes the Functional requirements i.e. all the functionalities of the system would be easy and efficient for end user.

7. BRS is a simple document, which describes the business requirements on a quite broad level.


So this is all about what is the Difference between SRS and FRS and if you know more differences than discuss it here your opinions are always welcomed here.


  1. Thank you for all this informations really your blog is very helpful ,

  2. Nice to see this helpful blog

  3. Hi based on which doc tester create testcases

    1. Test cases are dependent on Use cases. NA tester does not write test cases. tester is responsible for testing only. Test cases are written by Testing Analysts.

  4. very informative about requirement in testing.


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