What is application software?

We look at the characteristics that define applications, from stand-alone software to full-blown suites

Application software has really proliferated since cross-platform software has become more popular. Some of the programs used by individuals and businesses across the globe need to be taken everywhere to be used at any time and the evolution of traditional software into apps has enabled users to work effectively wherever they're needed.

Application software is designed to be less stressful on a CPU compared to traditional software, which demands more resources and usually features a simple user interface (UI). It also moves away from the traditional on-system installation method of using software; it allows web-based applications to come to the fore, which put even less strain on a system's resources, letting modern high-speed internet and cloud computing bear the load.

Put simply, application software is any program or group of programs designed to be used by the computer's operator. It differs from other software that might come pre-bundled with a computer's operating system, such as a utility. An example of this would be disk tools, software included on operating systems that can scan a hard drive for problems, remove unnecessary files and defragment a drive. These can be used by the end-user, but rely on the computer's core to operate, whereas apps do not running independently and not relying on information from the system's core.

Application software types

Desktop applications

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Desktop applications are 'installed' on a user's computer. They are normally pretty high-powered software that use the computer's memory directly to carry out an action. Other characteristics include that they allow people to manipulate datasets, graphics or numbers to create an output. Examples of desktop applications include word processors, music players and video players.

Web-based applications

While most application software can be installed directly to a machine, many allow users to access tools through web browsers and some only exist in web format. Not only do these services free up space on a user's hard drive or network, being web-based means they can be accessed from anywhere in the world at any time, with data being stored in the cloud. This also means the application is kept up-to-date automatically, without the risk of a user running an insecure version.

This has given rise to software-as-a-service (SaaS), in which users agree to a subscription in exchange for application services, often provided through a web browser. Salesforce, Oracle, and Adobe Creative Cloud are some of the most widely used SaaS application suites.

Application suites

Applications are available as standalone products, but can also be grouped together in application suites, offering a variety of different apps to cover more than just one aspect of your business. Often, these application suites provide multiple applications at a lower price than buying each one separately and can provide better interoperability compared to buying lots of different applications from different companies.

Application packages often are themed around a certain part of your business. For example, Adobe's Creative Suite comprises multiple creative applications designed for editing photos, videos, creating websites and more. An enterprise may want a fully-integrated set of applications to cover their entire business operations and so may comprise HR applications and customer relationship management (CRM) and more to keep data and performance in check.

Application suites are also available for smaller businesses or home usage too. For example, Microsoft's Office comprises the company's full set of productivity applications such as Microsoft Word, Excel and PowerPoint. Apple's similar productivity suite includes Pages, Sheets and Keynote.

Other app suites are extendable. A computer anti-virus software, for example, may include the basics, but users are able to tag on extra services that protect their PCs against other threats, not included in the basic package. In such cases, the number of people using the software can dictate what's included too, such as password management for personal subscriptions, or protections for file servers on business accounts.

Image: Shutterstock

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