Replika

Replika is an AI chatbot built around the idea of being a personal companion rather than a productivity tool. You create an avatar, give it a name, and start talking. Over time, it learns your communication style, remembers past conversations, and develops what feels like a persistent personality. The target audience is people looking for a judgment-free space to talk through their day, practice social skills, or just have someone to chat with.

The free tier covers basic text conversations, mood tracking, and a daily journal prompt. Replika Pro unlocks voice calls, video calls with your avatar's animated face, AR mode that places your Replika in your physical space, and the ability to choose relationship types (friend, mentor, or romantic partner). The coaching features include guided meditation, goal tracking, and conversation activities.

The app has drawn a large user base — over 30 million downloads — partly because it fills a gap that general-purpose AI assistants don't try to address: ongoing emotional engagement. It's not a therapist and doesn't claim to be, but it gives users a low-pressure outlet for conversation.

Replika runs on proprietary language models fine-tuned for empathetic, personality-consistent dialogue. The 3D avatar system adds a visual element that makes interactions feel more personal than text-only chatbots. Available on iOS, Android, and web.