Your story.
Every thread
in view.
Write your novel, short stories or comic scripts. Understory connects the details and asks thoughtful questions, helping you see what needs another look.
The AI reviews. You write.
Every word remains yours.
See the connections.
Decide what comes next.
Follow a thread. See where it leads.
Explore story arcs and characters together. Switch between the order on the page and the order events happen.
Every thread on one timeline
Choose a thread to follow it through your story.
Try the timeline with our fictional story, The Last Letter. Dates that are unclear stay unplaced.
A clear place to write. Your story close at hand.
Move between chapters and scenes. Keep notes to yourself, and review feedback in the margin.
An unopened letter
This preview uses sample text. In Understory, you write and edit your own story. Notes to self stay private and are excluded from exports by default.
Questions grounded in what you wrote.
Understory points to the passage and asks. Choose an answer or explain in your own words. You stay in control.
An old promise
Ten years earlier, Theo had promised June that he would wait for her answer. He folded the note carefully and put it in his coat.
The visitor
That afternoon, June stood at the kitchen door. “You kept it for eight years,” June said.
Start the review to see a question about these passages.
Ready when you are.
The review begins when you ask for it. Your words stay unchanged.
Your answer stays yours.
In Understory, settled answers inform the next review. Your story text stays unchanged.
A fictional, browser-only demonstration. Nothing you enter here is sent or saved.
See the source.
Each question points back to the relevant passage.
Explain your intent.
For an unresolved thread, “That is deliberate” lets Understory watch for its payoff.
Keep your voice.
Understory never writes or changes a word of your story.
Support for the story.
Respect for the writer.
You decide when to review.
Understory reviews changed scenes when you ask. It never changes the words you’ve written.
The details come with evidence.
Story facts link to the words behind them. When something is unclear, Understory asks.
Novels, short stories and comics.
Call the parts what your story calls them: chapters, stories or issues. A comic script gets the same careful review as prose.
Your work can leave whole.
Export to Word, Markdown, or plain text. Bring in a co-author or invite reviewers to leave notes in the margin.
A little more clarity.
A lot more room to write.
Writing is free. A subscription turns on the AI reviews for every story you own, and each co-author you invite adds a seat.
$10 / month
Per writing seat
- Reviews for all of your stories, with a monthly allowance and top-ups if you need more
- Up to 10 free reviewers per story
- Word, Markdown, and plain-text exports
- Your writing remains your own
Writing is free, with no time limit. Subscribe when you want reviews.