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Full Scale » Development » Types of Software Maintenance

An illustrative depiction of types of software maintenance, featuring a figure holding a wrench next to a large document, with gear symbols, highlighting the concept of software maintenance.
Development

Types of Software Maintenance

Last Updated on 2025-02-20

Learning all the different types of software maintenance is essential to ensure the optimal performance of a software product. Letโ€™s look deeper into these tried-and-tested methods for maintaining software product quality.

When it comes to software development, the work doesnโ€™t end once the product is released. In fact, once itโ€™s out in the market, thereโ€™s more work to do for it. Issues are bound to arise when itโ€™s finally used by the target users. More so, customer feedback often dictates and identifies the needed improvements of your application.

Today, weโ€™ll learn more about the necessary upkeeps of an application. Weโ€™ll review the different types of software maintenance and how you should conduct them. But first, letโ€™s understand the purpose of software maintenance.  

Why is there a need for software maintenance?

Software maintenance is akin to car maintenance wherein you have to look under the hood regularly. However, unlike a car, a software product is even more volatile. There are many components that make up software, and one or more of those can fail over time. 

Furthermore, the foundational elements of its tech stack are bound to need upgrades. Hence, software maintenance is necessary to fix issues and make sure everything is up to date.  

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Here are other reasons why software maintenance must be performed on an application:

  • Fix bugs and errors
  • Ensure optimal performance
  • Improve its existing features
  • Enhance its performance (speed, functionality)
  • Rework the system
  • Integrate with other systems
  • Migrate legacy software
  • Retire the software

Types of Software Maintenance

1. Corrective

Errors and bugs are inevitable in a working system. Thatโ€™s why corrective software maintenance is a must. This is the process of identifying the errors and faults of the application and correcting them. It addresses problems that could potentially impact parts of the application such as design, logic, and code.

How it works

Corrective maintenance is a reactive approach. It often deals with common minor issues like login failure or connectivity errors. Once the issue is reported by the user or the in-house QA tester, then troubleshooting begins.

This type of maintenance work is often easy and done quickly so it doesnโ€™t disrupt the applicationโ€™s performance. Users will hardly notice corrective changes. Although in rare cases, if the error significantly changes a process, it might provoke some negative reactions.   

Here are basic steps to do corrective maintenance this:

  1. The software product is deployed and undergoes different test cases.
  2. Once the issue is reported by the user or the in-house QA tester, then troubleshooting begins. 
  3. Upon fixing, the developers update the software and update the status of the issues found.

2. Adaptive

An application is made up of a tech stack that usually involves the products of third-party providers. Sooner or later there will be necessary updates and changes in the technologies you use.

For example, youโ€™ll need to upgrade plugins and libraries to their latest versions. And, there are expected updates on your operating system, cloud storage, hardware, and other software dependencies. To prevent making your software outdated, you have to consistently implement adaptive measures.

How it works

You can perform adaptive maintenance alongside corrective maintenance. When youโ€™re fixing bugs, you might as well make the necessary updates too. In some cases, the updates may even end up fixing the issue.   

This type of software maintenance, though, is often overlooked. Since it doesnโ€™t have a direct impact on users, the business or development team may not prioritize it. The general function is usually unaffected by the changes brought about in integrating new technologies. However, it does have substantial business value.

For example, when you donโ€™t upgrade to the latest version of your operating system, youโ€™ll miss out on some important features. Those features wouldโ€™ve been a great addition to your application. Oftentimes, those extra features might just be what keeps your app relevant to users.   

Thereโ€™s always a risk of your software becoming outdated and incompatible with the latest technologies. To prevent those situations, you have to perform adaptive maintenance regularly.   

3. Preventative

On to a more proactive approach, preventive software maintenance is the process of detecting and resolving issues early. This is the type of software maintenance that future proofs your application. Its goal is to boost the scalability of your system by fixing latent faults before they turn into operational errors.

How it works

Companies often schedule their preventative maintenance. Depending on what part of the system theyโ€™re working on, it may or may not affect the applicationโ€™s performance. In most cases, a business would announce the date of the maintenance so users may avoid making critical transactions.

Again, the degree of work will determine if the operation is affected. Some companies use preventative maintenance tools for the system to seamlessly scale itself. While others would do it manually, which poses more risk of interruptions.

To better visualize preventative maintenance, we can use servers. For example, if the number of users reaches a certain benchmark, the current system might not be able to handle it. It might potentially result in a dramatic system crash. To prevent this, you can add servers before it happens. This way, servers are already prepared to cater to the increased traffic.   

4. Perfective

Lastly, we have perfective software maintenance. This deals with the existing features of the application. It involves refining and deleting certain functionalities, as well as adding new ones. The goal is simply to modify and improve the current state of the application.

How it works

This type of software maintenance may be more visible on the userโ€™s end. It can change the softwareโ€™s interface and some major functionalities. Users may not respond positively to the change, so communication is essential to mitigate this task. Itโ€™s best to let users know beforehand what changes youโ€™re planning to make and make sure to take their feedback seriously.

One good example of perfective maintenance is a login change. Perhaps you want to change or add another way users can log in to your application. You must communicate these changes in advance and put the proper support in place once itโ€™s launched. The worst-case scenario is they may not be able to log in to their account properly.

Overall, software maintenance is vital to the success of your software. Learning how to do all types of software maintenance will be a huge advantage in the long run. Think of it as an investment for the longevity of your application.    

Maintain Quality Software with Full Scale

Need experts for your software? A trained eye can not only detect issues fast, but it can also point out key points for improvement. At Full Scale, weโ€™ve got seasoned development experts to help you maintain the performance and growth of your software.ย ย ย ย ย 

Full Scale is an outsourcing software development company specializing in various tech business solutions. And our goal is to help businesses scale effectively and affordably. We can help you build your team of experts. We’ll connect you with certified and experienced tech experts based on your specific needs.

We can collaborate with you at any step of your development project thanks to our Guided Development process. Ready to scale? Innovate with Full Scale! Talk to us today.

matt watson
Matt Watson

Matt Watson is a serial tech entrepreneur who has started four companies and had a nine-figure exit. He was the founder and CTO of VinSolutions, the #1 CRM software used in today’s automotive industry. He has over twenty years of experience working as a tech CTO and building cutting-edge SaaS solutions.

As the CEO of Full Scale, he has helped over 100 tech companies build their software services and development teams. Full Scale specializes in helping tech companies grow by augmenting their in-house teams with software development talent from the Philippines.

Matt hosts Startup Hustle, a top podcast about entrepreneurship with over 6 million downloads. He has a wealth of knowledge about startups and business from his personal experience and from interviewing hundreds of other entrepreneurs.

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