Most AI companion apps are a chat window with a picture. My AI Mates is a cozy 3D world where your companion actually lives: Mia has a room, a job, hobbies, a diary about your days together, and moods that change with the time and weather. She remembers your plans and asks how they went, and you can see and delete anything she remembers. No scripted answer options. Your bond unlocks story chapters and outfits, and being away never costs progress. More Mates are coming, shaped by the community.