Apple will soon allow developers to offer unlisted apps through the App Store, which can only be accessed by those who have a direct connection (via MacRumors). Unlisted applications aren't searchable, App Store categories, charts, or recommendations for the general public, but they are accessible to administrators through Apple Business Manager or Apple School Manager.
Unlisted applications, according to Apple, are best for "restricted audiences," such as visitors at a special event, members of an organization, participants in a research project, or a small set of employees. Developers must first submit a request to Apple in order to make an app unlisted and acquire a link. Apps that have only been approved for private download on the Apple Business Manager or Apple School Manager, on the other hand, require additional actions from developers.
Developers must "create a new program record in App Store," upload the binaries, and then "configure the...