How to turn your start-up web app idea into a Software Requirements Specification

A Software Requirements Specification (SRS) is the key document to help developers complete various goals and reduce development costs. Although there isn’t a set template for creating an SRS for a start-up web app, there are a few guidelines that can aid the process.

 

What is a software requirements specification?

Otherwise known as an SRS, a software requirements specification sets out the software system that needs to be developed, along with non-functional and functional requirements. An SRS lays out the agreement between users and suppliers on what the software does and what is expected from the app. It may also include ‘use cases’ which outline the user interactions the software is to provide.

 

What should I include in an SRS for an app?

A standard SRS usually includes:

  • Outline of the app’s use and purpose

  • How it should perform when it comes to speed, availability, maintenance details and recovery time.

  • Details about security and portability

  • How the app interacts with hardware and other programs

  • Non-functional requirements including quality benchmarks, performance engineering requirements and design constraints.

 

As a general guide, an SRS covers the following sections: Introduction of the software requirements of the app, as well as the purpose, system description, functional requirements, use cases and external interface requirements, technical requirements and any open issues.  

 

What is an SRS for?

What are the benefits of a good software requirements specification?

An SRS for a start-up web app helps developers determine the goals of the software and the various focuses. The pros of creating an SRS for a start-up app can include:

  • Making problems more bitesize by breaking them down into sections

  • More efficient communication

  • Giving customer feedback

  • Being the main port of call to verify testing and validation processes

  • Helping identify process problems

  • Being helpful for pinpointing any software problems and possible solutions.

 

Tips for creating a good software requirement specification

Overall, there are a few simple ways to ensure you create the best possible SRS for your web app. Here are some of our tried and tested tips for writing a software requirement specification:

  • Ensure you have a good writer: Although this is fairly obvious, it’s important to make sure your writer knows what the SRS is for and writes clearly and concisely. It’s a good idea to have a technical writer on hand, as well as a developer so they can suggest amendments and improvements throughout the writing process.

  • Keep it updated: It’s vital to keep the SRS updated as much as possible and go through the SRS with new staff so everyone is in the know.

  • Keep it concise: An SRS isn’t a novel, so make sure it isn’t full of too much ‘fluff.’ Keep it informative and take out any unnecessary information.

  • Use images and graphics: This can include charts, tables and other such data to explain ideas and solutions.

  • Make sure it’s easily accessible to the right people: This includes developers, partners, writers and anyone else involved in the project.

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