Quality Assurance QA vs Quality Control QC: Top 5 Differences

On the flip side, if there were no quality assurance, testers would be overwhelmed with software bugs and probably spend much more time correcting them. Quality control then measures the effectiveness of these procedures by running software tests, detecting and logging bugs, and even verifying if the training sessions were successful. Had quality control been appropriately conducted, with extensive testing, it’s likely that the error wouldn’t have occurred. There was inadequate quality control, with only one developer reviewing the deployment. The testing was insufficient, resulting in Knight Financial Services suffering significant losses.

what is quality assurance vs quality control

Lab testing on instruments is done to detect, reduce, and correct deficiencies. Tests are usually run at the beginning of each shift after an instrument is serviced. Take a short self-assessment to find out how your organization ranks against quality leaders.


QA teams don’t want to see any defects at all in the final products and work hard to prevent them from occurring by performing audits and keeping track of quality adherence documentation. Quality assurance aims to avoid defects in your products and services. Quality control is the verification of the correctness of your products’ quality. QA and QC are used in tandem to ensure that your products and services meet your customers’ expectations. With these powerful twin techniques applied to your business, you’ll have fewer problems with your production process. A safe, effective product should be the result every time processes are followed.

what is quality assurance vs quality control

Well, we have listed down the tools and techniques for QA and QC separately so that you can understand and distinguish between them easily. Are you also confused with quality assurance vs quality control in software testing? For instance, say you’ve defined the procedures, or the methods for the product according to standards as a QA activity. Furthermore, if you identify a defect in the product, then you need to investigate the nonconformance as a QA activity. As you can see, an output can serve as an input of the other process. Generally, there are three main techniques involved in the quality control process.

Key Differences between QA and QC

Hence, the primary objective of the quality control is to ensure that the products justify the consumer’s requirements and expectations. The described situation makes the importance of QA and QC processes crystal clear. Thanks to these procedures it is possible to avoid defects in software products before they are released and assure the best outputs.

what is quality assurance vs quality control

However, quality assurance should happen across all departments. To summarize, quality assurance focuses on the process, whereas quality control is centered on the product. The discipline ensures that organizational https://globalcloudteam.com/quality-assurance-vs-quality-control-main-differences/ policies and proceduresare correctly implemented and beneficial to the company. This is quality control’s function—utilizing systematic processes to detect defects and verify the software’s quality.

Now It’s Your Turn

One easy method is to utilize a quality management toollike Qualio. This resource incorporates both quality assurance and quality control into one single platform. Without quality control, quality assurance couldn’t know if their procedures were effective and resulted in high-quality https://globalcloudteam.com/ software. After that, it should plan the corrective actions which are to be undertaken to ensure the quality in the product. Then the facts are collected and reported to the management of the company which takes remedial actions for improving the quality of the product.

  • Now you can communicate confidently while using the terms and know what exactly you or the client is referring to.
  • Such frameworks all incorporate clear guidelines regarding roles, ceremonies, and work philosophies, automatically empowering teams to work more efficiently.
  • Doing tests before releasing a product helps businesses ensure their products are of good quality and provide a good user experience.
  • They receive the input from the QC team and improve processes so any “fix” is long-term and errors are not repeated.

Consequently, an essential task in quality control is detecting such errors and, perhaps even more crucially, triagingthem. As such, the WCAG is also an excellent reference for ensuring your software adheres to accessibility quality standards. In quality assurance, quality is created during the designing phase. On the contrary, in quality control, quality is created at the control stage.

Chapter 4: QA Roles vs. QC Roles

They inspect products before confirming that they are good to go out. The inspection process involves comparing the qualities of each product with a standard product during manufacturing. Similarly, it’s impossible to say whether QA or QC is more valuable. QA involves creating standards and processes to create a safe, effective process.

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