Replika

Replika is an AI companion app launched in 2017 by Luka Inc. It creates a personalized chatbot that learns from conversations with the user, developing a unique relationship over time. The app is marketed primarily for emotional support and self-reflection, allowing users to discuss their feelings and daily life with an AI that remembers past conversations. Replika offers both free and Pro subscription tiers, with the paid version including voice calls and more relationship options. It has been one of the longest-running AI companion products and has sparked significant discussion about AI-human relationships.