The creation of a software application for a specific user or group of users within a company is a custom software production. A personalized software is much better than an off-the-shelf product because it is a packaged application that is available to a large audience.

Windows 10 Operating System, for example, opposed to a custom software that would only be catered to a specific entity. For example, the custom software designed for JPMorgan Chase takes into account the needs of the company in terms of infrastructure, branding and execution, meaning that it can only function for that organization.