There may be several apps preloaded on the iPhone lineup of Apple that may go unused or unwanted. However, some of them may end up in hidden gems if once given a trial.

Apple loads almost 50 pre-installed apps on a new iPhone to take care of everyday needs. Many of these apps are used by people daily, such as the web browser, Safari.
Source: https://blanchektechnologyhub.wordpress.com/2021/04/16/the-topmost-pre-installed-iphone-apps-you-never-use/