Castmates: Offline AI Roleplay

What it does

Chat and roleplay with a cast of 32 hand-crafted AI characters — running entirely on your iPhone. No accounts, on-device, works offline. Your conversations never leave your phone.

Roleplay with 32 hand-crafted characters who narrate the scene, stay in role, and remember every story you build together. The whole cast lives on your iPhone, and your conversations never leave it. A cinematic cast, real roleplay depth, and a model that runs entirely on your iPhone. That's the whole point — and everything else builds on it. Detective Cross doesn't answer like an assistant — he lights a cigarette and narrates the room. Characters reply with actions and scene-setting, never flat one-liners. Castmates summarizes past sessions, so characters recall who you are and the story keeps building. Pick up the thread days or weeks later. The AI runs entirely on your iPhone. After a…from get-castmates.com

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