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About this app

Make your characters feel real.

Museris is a local-first AI roleplay app for people who want more from their stories. Create memorable characters, build worlds with depth, and jump into the scenes you cannot stop thinking about.

Give a character a voice, an avatar, a greeting, a history, bad decisions, weird secrets, or whatever makes them feel like a real person. Pick a model, set the scene, and see where the story goes.

Want a vampire roommate? A suspiciously charming space pirate? Your OCs finally meeting? A fantasy kingdom with far too much political drama? Museris is ready.

- Create and save characters with personalities, greetings, descriptions, and avatars.
- Import Tavern PNG character cards and Museris character packages.
- Build lorebooks for places, factions, relationships, rules, history, and deep-cut backstory.
- Combine characters, lore, and prompts into roleplay chats built around your vision.
- Edit messages, regenerate replies, and swipe through alternate responses when the first one is not quite right.
- Customize prompt templates when you want control over every detail.
- Connect compatible AI providers, local servers, or Museris Hub.
- Keep your library under your control. Museris is local-first, and you can export your characters and chats whenever you want.

Museris is built for people with forty OCs, six half-finished worlds, a notes app full of lore, and one scene they have replayed in their head for three days.

Fast, flexible, and made to get out of the way once the story starts.

Make somebody unforgettable.
Create AI characters, build worlds, and roleplay any story you can imagine
Updated on
Oct 16, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

Welcome to the Museris Android open beta.
Explore AI chat and storytelling, and help improve the app by sending feedback and bug reports to feedback@museris.com.
Content rating
Everyone
Users Interact
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App support

About the developer
Strange Bytes LLC
dev@strangebytes.org
1309 Coffeen Ave Ste 1200 Sheridan, WY 82801-5777 United States
+1 458-226-5342