Understanding Software Quality Control: Key Concepts & Tools

Quality is more significant than ever due to the ever-increasing complexity of the software development world. As per a report issued in 2025, over  75% of all software projects fail to achieve the desired quality level , thereby contributing to extra costs and customer dissatisfaction. Thus, the critical necessity of effective software quality control (SQC) practices comes forth from such statistics.

This blog discusses the basics of quality control in software testing, its importance, types, processes, tools, and its difference from quality assurance.

What is software quality control?

Quality control refers to evaluating and assessing software products during different stages of development, focusing on improving their quality and dependability. This would encompass rigorous testing and verification against user requirements and industry norms.

Why Is Quality Control So Important?

Quality control forms an integral part of the software development process for numerous reasons:

• Trust Amongst the Users: Quality software creates trust and customer loyalty.
• Quantitative Measures of Product Testing: Enables measured information about how the product works.
• Compliance with Market Standards: Abides by industry standards.
• Protection against potential legal suits: Protects from potential failures of software.

Quality Control Types

Knowing the quality control types can help businesses institute best-practice strategies:

• Control Charts: Monitor product quality based on time.
• Process Control: Product quality improves due to improvement in processes.
• Acceptance Sampling: Adjusts criteria for acceptance based on agreed-upon standards.
• Process Protocol: Std phase of the software development cycle

Quality Control Process

The quality control process comprises the following three phases:

• Planning: A state in which criteria and means to attain quality control are ascertained.
• Execution: Conducting continuous verification when development is in progress for acceptance based on standards.
• Verification: Ensuring that the product meets market acceptance.

Tools used under Quality Control

There are multiple tools used in quality control to increase efficiency and effectiveness:

• Flowchart: Identify process bottlenecks.
• Check Sheet: Record on-the-job efficiency and occurrences
• Cause and Effect Diagram: Issue/their Causes
• Control Charts: Musters over patterns that occur over time
• Histogram: Variability among numbers for better analysis.

Difference Between Software Quality Assurance and Software Quality Control

Understanding the distinction between QA and QC is essential for effective software management:

QA vs. QC: Key Differences

The key differences between QA and QC can be summarized as follows:

• Software Quality Assurance focuses on preventing defects and addresses this through process management, while Software Quality Control aims at finding defects in finished products.

FAQs

Q1: What is the term software quality control?

Software quality control is the group of processes and activities that are undertaken in order to ensure a software product satisfies stated requirements and quality standards prior to release.

Q2: Which of the following is comprised of four types of quality control?

The four consist of:

• Control Charts
• Process Control
• Acceptance Sampling
• Process Protocol

Q3: Difference between QA and QC for software

QA aims to improve processes in order to avoid defects, whereas QC involves testing products after development in order to find defects.

Q4: What are some of the typical software quality attributes?

Typical software quality attributes are:

• Reliability
• Usability
• Efficiency
• Maintainability
• Portability

Q5: How do ERP software companies in India implement quality control?

ERP software companies in India implement quality control by establishing robust testing protocols throughout the development lifecycle, ensuring compliance with industry standards, and continuously monitoring performance metrics.

Q6: What role do CRM companies in India play in maintaining software quality?

CRM companies in India maintain software quality by using both QA and QC practices, ensuring that customer relationship management systems function effectively while meeting user expectations.

Conclusion

In conclusion, providing high-quality products that meet user expectations and regulatory standards is essential. Robust QC practices will enable organizations to gain more trust from consumers, build competitive market reputations, avoid legal risks, and ultimately win the marketplace. As time advances into the up-and-coming digital and silvery ages, the key to success in the current rat race of technology will still be software quality.

By knowing the principles above—coupled with the proper use of tools and the separation between QA and QC— software consulting companies will have the potential to greatly improve their results. Additionally, with businesses looking to ERP companies in India or CRM companies in India, maintaining a competitive edge through strong quality assurance practices will be key in such an evolving landscape.