The Custom AI Stories app is a tool that allows users to access and read AI-generated stories on their Apple mobile devices, such as their iPhone, iPad, or iPod touch. The app is available for download on the App Store, and users can read reviews, compare customer ratings, and see screenshots before downloading. However, the text provided does not give further details on how the app works or what kinds of stories are available through it. Nonetheless, the name suggests that the stories generated are unique, personalized, and tailored to individual users' interests, providing an engaging and immersive reading experience. Since the tool is available on the App Store, it is likely that it meets Apple's quality and security standards. It is important to note that this app appears to be designed for entertainment purposes and may not be suitable for business or educational settings. Overall, the Custom AI Stories app is an interesting tool that leverages AI to offer unique and personalized reading experiences to Apple mobile device users.