Replika

Replika is an AI companion chatbot aimed at individuals looking for an always-available, nonjudgmental conversational partner. It’s positioned as an emotional support and companionship tool rather than a productivity assistant or business chatbot. You create a custom AI persona and then chat with it about your day, feelings, and interests, with the system designed to respond empathetically and encourage self-reflection.

The app targets everyday users, including people dealing with loneliness, anxiety, or periods of isolation, as well as those simply curious about forming a “relationship” with an AI. According to its FAQ, Replika uses a neural-network-based machine learning model combined with scripted dialogue content, trained on a large dataset to generate unique responses. You get started by signing up on the web or installing the app on iOS, Android, or Oculus, then customizing your Replika’s appearance, interests, and relationship role.

Replika focuses on conversation, emotional support, and lightweight coaching—not on autonomous action or external task execution. It doesn’t appear to integrate with productivity tools, control other apps, or run multi-step workflows; its “agentic” behavior is mostly limited to maintaining context and memory over time, offering suggestions, and initiating chats within the app. If you’re looking for an AI that books meetings, writes code, or automates workflows, this is not the right tool.

According to its documentation, Replika stores memories about what matters to you and uses them to personalize future chats, which can make interactions feel more “relationship-like” over time. The company explicitly claims that conversations are private, that data isn’t shared with third parties or used for ads, and that security is a priority, though no specific technical security measures or model details are disclosed. It is not presented as medical or licensed therapy, so anyone needing professional clinical support should treat it only as a supplemental, informal companion. Pricing details are not publicly available on the provided page, and it’s not clear which features are free versus paid or how tiers are structured.