Characters & relationships
Track character details, roles, tags, and the connections that shape your story.
Astrynn app
Build worlds worth remembering.
The all-in-one story bible for writers and worldbuilders. Organize characters, worlds, plots, timelines, and relationships—with AI-powered consistency tools to help keep every detail in sync.
Everything in one place
Your story, organized.
Move from scattered notes to a connected creative workspace built specifically for complex stories and fictional worlds.
Worldbuilding & lore
Organize kingdoms, locations, cultures, organizations, magic systems, and more.
Plot & timelines
Structure acts, chapters, scenes, and story events without losing sight of the larger arc.
AI consistency checking
Compare new writing against your story bible to identify possible continuity issues.