AI Personas & Characters is a mobile application available on the App Store for iPhone, iPad, and iPod touch devices. The app features reviews, customer ratings, and screenshots to help users make informed decisions about downloading it. The tool focuses on providing users with a collection of AI personas and characters. The exact number of available personas and characters is not specified in the provided text. Users can download and enjoy these personas and characters directly on their Apple devices. Without detailed information about the specific features and functionalities of AI Personas & Characters, it can be inferred that the app offers a range of predefined AI personalities and characters that users can interact with. These personas and characters likely have predefined attributes, behaviors, and responses that simulate human-like interactions. It is important to note that the provided text does not mention any customization options or the ability to create or modify AI personas and characters. Therefore, it can be assumed that the app primarily focuses on providing a library of pre-designed AI personas and characters for users to engage with and enjoy. Overall, AI Personas & Characters is a mobile app that offers users the opportunity to explore and interact with various AI personalities and characters on their Apple devices.