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Date: 25-11-2025


By BM Coder — Expert guidance + free editable SRS template to plan, estimate, and deliver successful software projects.

Need help preparing a full SRS, wireframes and a development plan? Contact BM Coder or email us. WhatsApp: +91 9586979730.

Introduction

Every successful digital product—mobile app, web platform, ERP, CRM or enterprise automation—starts with a single, crucial document: the Software Requirements Specification (SRS). An SRS is the single source of truth for product owners, developers, QA teams and stakeholders. It defines what the system will do, how it will behave, functional and non-functional requirements, constraints, and acceptance criteria.

BM Coder, a trusted custom software development company, prepares SRS documents that remove ambiguity, reduce rework and accurately estimate cost and timelines. Below you'll find a free SRS template you can download and use, a step-by-step guide to writing an SRS, best practices, and CTAs to get direct help from our team.

What is an SRS (Software Requirements Specification)?

An SRS describes the software product to be developed — its functions, constraints, interfaces, and behavior. It’s used by:

Why Every Business Needs a Strong SRS

Skipping the SRS step in order to save time often leads to projects going over budget, missing deadlines, and not delivering the expected value. A well-written SRS helps avoid scope creep, miscommunication, and costly redesigns.

Benefits of an SRS

Benefit Explanation
Clarity for Everyone Business owners and developers share a documented understanding of the system.
Avoids Miscommunication Reduces unexpected rework by capturing precise requirements up front.
Accurate Estimation Helps estimate time, effort, and cost more precisely.
Better Quality QA teams test against documented acceptance criteria to ensure correct behavior.
Scalable Future Work Well-documented systems are easier to extend and maintain.

Expert research shows a solid specification reduces project failure rates significantly. For deeper reading, refer to research on standards and engineering practices at the IEEE Xplore digital library: IEEE Xplore (external resource).

Who Should Use an SRS?

An SRS is useful for startups, SMEs, enterprises, product managers, CTOs and anyone hiring a custom software development company in India or worldwide. If your project involves more than one developer or any 3rd-party integration, you need an SRS.

FREE SRS Template — Structured Format

Below is a full SRS outline you can copy into a document. BM Coder clients receive an expanded 40–50 page SRS with wireframes, UML diagrams, ER diagrams and acceptance matrices.

1. Introduction

Project Title Enter the name of the app/software
Prepared By Business Owner / BM Coder / Project Manager
Version Draft / Final
Date DD/MM/YYYY

1.1 Purpose

Describe why the system is being built and the business goals.

1.2 Scope

Explain what the system must include and exclude (in-scope vs out-of-scope).

1.3 Definitions & Glossary

Define domain-specific terms (e.g., Admin, API, RBAC, OTP).

2. Overall Description

2.1 Product Perspective

Indicate whether it’s a new system, an update, replacement of a manual process, or an integration with existing tools.

2.2 User Types

Role Responsibilities
Admin System configuration, user management
Manager Reports, approvals
User Perform core workflows
Super Admin Platform-level settings

3. System Features

List and describe features using a repeatable format — purpose, user flow, acceptance criteria, dependencies.

Feature Template (Example)

Feature Name Details
Purpose Why the feature exists
Flow Step-by-step user flow
Acceptance Criteria Conditions that must be met
Dependencies APIs, third-party services, UI components

Example: User Registration

Purpose Allow new users to sign up using email or mobile
Flow Enter details → Send OTP → Verify → Create profile
Acceptance Criteria OTP must be delivered & verified; account is created; confirmation email sent
Dependencies SMS/OTP service, email provider, backend API

4. Non-Functional Requirements

Category Requirement
Performance Page load < 3s, handle 10,000 concurrent users
Security SSL, encryption at rest, RBAC
Reliability 99.5% uptime
Scalability Supports sharding and horizontal scaling
Backup Daily automated backups with point-in-time restore

5. System Architecture

6. Assumptions & Dependencies

List assumptions such as third-party API reliability, hosting provider SLAs, or that users have a stable internet connection.

7. Acceptance Criteria

Module Acceptance Criteria
Authentication Login/OTP flows succeed; RBAC enforced
Dashboard Data renders within defined performance limits
Reports Export and filters work as specified

8. Timeline & Milestones (Sample)

Milestone Timeline Deliverables
SRS + Wireframes Week 1 Complete doc + basic wireframes
UI/UX Week 2–3 Design prototypes
Development Week 4–10 Core features
Testing Week 11–12 QA & bug fixes
Launch Week 13 Deployment

How BM Coder Helps

BM Coder is a reliable software development company india that provides end-to-end services: SRS preparation, UI/UX, development, QA, cloud deployment and maintenance.

Our Services

Service Description
Custom Software Development Tailored solutions for web, mobile and cloud
Mobile Apps Android, iOS, cross-platform
UI/UX Design Wireframes, prototypes, design systems
SRS & Documentation Detailed specs, acceptance criteria, diagrams
QA & Testing Manual & automation testing
Cloud & DevOps AWS, Azure deployments, CI/CD setup

Ready to get a professional SRS and full development plan? Contact BM Coder or message us on WhatsApp: +91 9586979730.

SRS vs BRD vs FRD — Quick Comparison

Document Purpose Audience
SRS Technical & functional specs Developers, QA
BRD Business objectives & outcomes Stakeholders
FRD Functional details & flows Product managers, designers

How to Write an SRS — Step by Step

  1. Understand the business goals and KPI targets.
  2. Gather stakeholder requirements (interviews/workshops).
  3. Create user personas and user flows.
  4. List features and prioritize (MVP vs full product).
  5. Document non-functional and acceptance criteria.
  6. Design basic wireframes and architecture sketches.
  7. Get stakeholder sign-off before development.
  8. Use Agile sprints and update documentation iteratively.

Need help writing your SRS? Our experts at BM Coder will prepare a full professional SRS including diagrams and wireframes — get a free consultation.

Common Mistakes to Avoid in SRS

Mistake Impact
Vague Requirements Developers make wrong assumptions → rework
No Acceptance Criteria Hard to verify when a feature is 'done'
Missing Non-Functional Specs Performance, security or scalability issues arise later
Skipping Diagrams Confusion about workflows and data flows
Not Involving Stakeholders Deliverables may not meet business expectations

How a Good SRS Saves Money

A strong SRS saves time and money across development, QA, and long-term maintenance:

Area Savings
Development rework Fewer iterations and lower dev cost
QA time Clear test cases reduce bug cycles
Long-term maintenance Well-documented systems are cheaper to update

Download the FREE Editable SRS Template (Word + PDF)

BM Coder provides a free editable SRS template in Word, Google Docs and PDF formats.

Get your free copy now: Email brijesh@bmcoder.com or message on WhatsApp: +91 9586979730. Or use the contact page: https://www.bmcoder.com/contact.

FAQs

Q1: What is the difference between SRS and PRD?

SRS documents technical & functional specs. PRD describes product-level goals and user stories.

Q2: How detailed should an SRS be?

It should be detailed enough for developers to build and QA to test without needing repeated clarification.

Q3: Can BM Coder prepare the entire SRS?

Yes — BM Coder is an experienced custom software development company in India providing full SRS, wireframes, architecture, and development.

Q4: Will an SRS guarantee project success?

An SRS reduces risk and increases clarity, but success also depends on execution. BM Coder ensures both.

Final Thoughts

A strong SRS is the foundation of a successful project. Whether building a mobile app, a web app, or a complex enterprise platform, an SRS ensures clarity, faster development, and reduced cost. If you are searching for a reliable partner, BM Coder — a trusted software development company india — is here to help.

Get a free consultation & SRS template:

Contact BM Coder | brijesh@bmcoder.com | WhatsApp: +91 9586979730

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© BM Coder — https://www.bmcoder.com

BM Coder is a leading custom software development company helping businesses worldwide plan, build and scale digital products.

Author: Brijesh Mishra

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