There's too much privacy in the Journal app, considering that kids can save photos, files, contact information, and more. If you're concerned about Journal's suggestions, you can turn it off. This has been reported by many media and is only used to give priority to suggestions for entries in the Journal and does not expose any personal information. The Journal application allows users to write down their thoughts and feelings, as well as reflect through a journal.
But it's very easy not to use the Journal app or lock your Journal so that only you can access it with Face ID, Touch ID, or your access code. On the Journal home page, you'll see recent journal entries and a plus sign (+) at the bottom of the screen. Apple's Journal app allows you to easily jot down your thoughts when you're on the phone and provides you with writing instructions and other reminders about what you've done in a day. Journal is an application developed by Apple to help users write journal entries and easily insert images, videos and other content.