What Is an AI Companion App?
An AI companion app is a software product built around ongoing personal conversation with a persistent AI character, rather than task completion. The app maintains the character's persona and a memory of your shared history, and typically wraps the chat in relationship features — profiles, image galleries, voice, and customization.
The phrase covers a wide product category with one common core: a language model, a persistent character, and a memory system, packaged as an app you return to. Replika, launched in 2017, defined the early shape; the post-2022 wave of large language models turned a niche into an industry with hundreds of products. The apps split into recognizable types. Wellness-leaning companions position themselves around mood and journaling. Character-catalog platforms offer thousands of personas for roleplay and entertainment. Romance-focused products build the entire app around one relationship — an AI girlfriend or boyfriend with photos, memory, and a developing storyline. And adult platforms such as Crushi combine the catalog and romance models for verified 18+ users, without the content filters the app stores require. That last point explains a structural quirk of the market: the most capable romance and NSFW companions are web apps, because Apple and Google restrict sexual content in their stores. "App" in this category often means a website you use like an app, not something you install. Whichever type you pick, the durable quality signals are the same — how coherent the model stays over long conversations, whether memory actually persists, and whether pricing is disclosed before you are invested.
Meet a few of them
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Common questions
What is the difference between an AI companion app and a chatbot?
A chatbot is the conversation technology; a companion app is a product built around it for ongoing relationships. Companion apps add a persistent character, long-term memory, and features like images and voice, where a plain chatbot starts fresh each session.
Why are most adult companion apps not in the App Store?
Apple and Google restrict sexual content in their stores, so companion apps distributed there must filter romance and intimacy. Uncensored 18+ platforms operate on the open web instead, which is why the fuller experiences run in the browser.
The roster is the quickest tour of what a modern companion app can do — pick a character and start talking.
Meet the Characters