You're looking for AIpowered chat apps! There are many great options available、Here are some popular ones:

1、Replika: A highlyrated app that allows you to create a digital companion that can engage in conversations, play games, and even provide emotional support.
2、Mitsuku: A conversational AI app that can have naturalsounding conversations, tell jokes, and even create stories.
3、Cleverbot: A chatbot app that uses AI to have humanlike conversations, answer questions, and even learn from you.
4、Siri (for iOS) or Google Assistant (for Android): While not exclusively chat apps, these virtual assistants can engage in conversations, answer questions, and perform tasks.
5、Chatbot (by ManyChat): A popular app that allows you to interact with various chatbots, each with its own personality and capabilities.
6、Wysa: A mental healthfocused app that uses AI to have conversations, provide emotional support, and offer coping strategies.
7、Duolingo: While primarily a languagelearning app, Duolingo also features AIpowered chatbots that can help you practice conversational skills.
8、Talkbot: A simple, straightforward chat app that uses AI to engage in conversations, tell jokes, and share interesting facts.

These apps are available for both iOS and Android devices, unless specified otherwise.

Which one of these AI chat apps catches your attention? Or would you like me to recommend more based on your specific interests?