Pi

An AI companion that learns your personality through ongoing conversation.

A long-running consumer AI companion app you customize as a friend, mentor, or partner, with a persistent avatar and memory of past chats. The free tier supports unlimited text chat; Pro unlocks voice/video calls, relationship roles, and additional personality traits.

Chat with millions of user-made AI characters.

A consumer platform for creating and chatting with AI personas — fictional characters, helpers, and roleplay companions — across web and mobile. Hosts millions of community-built characters with voice calls and image generation on the paid tier. One of the largest conversational-AI roleplay products by usage.

AI companions with layered long-term memory and multi-companion group chat.

Nomi builds AI companions emphasizing strong, layered memory across short-, medium-, and long-term context. A single subscription supports multiple companions and a group-chat mode where several interact with you at once; paid tiers add unlimited voice calls and daily AI image generation.

Deeply customizable AI companions with long-term memory, voice, and video calls.

Kindroid lets you build AI companions with custom appearance, personality, and backstory, backed by a long-term memory system and an auto-updating Shared Journal. Paid tiers add voice and video calls, AI selfies, and multiple companions; a free Lite tier offers unlimited basic chat.