Story intelligence for fiction writers

Your draft isn’t broken.
You’re just too close to see it.

Arbento is a writing app for fiction writers that reads your whole manuscript, remembers your characters and plot threads, and shows you exactly where the story needs attention.

Download on the App Store

Free editor · Pro story intelligence · iPhone, iPad, and Mac

Live demo with a sample book — click a scene or an AI tab. No sign-up needed.

Arbento — The Glass CartographerInteractive demo · read-only
The Glass CartographerChapter 9 · Scene 1 of 3 · Synced
Midpoint

What the River Remembers

The ferryman took her coin but would not take her name. "The river remembers names," Tomas said, poling them upstream against a current that ran, as the old maps promised, uphill. "Give it yours and it will want the rest of you."

The Glass City rose around the bend the way a chord rises out of silence. Spiraled streets. Stacked bridges. Windows fogging in unison, one slow breath at a time. Mira had crossed half a world telling herself the map had lied, and the city undid the lie in a single glance.

"You knew my mother," she said. Tomas would not look at her. "You knew her, and you carried her upstream, and you never once said her name."

"I carried a cartographer," he said. "The river remembers the rest."

Product demo

See what Arbento finds.

A normal writing app helps you store the draft. Arbento helps you understand it.

Story pulseThe Glass Cartographer · Save the Cat

Narrative intensity per scene · 84,200 words

Scene 1Quiet
Scene 2Quiet
Scene 3Moving
Scene 4Moving
Scene 5Quiet
Scene 6Moving
Scene 7Moving
Scene 8Charged
Scene 9Moving
Scene 10Quiet
Scene 11Still
Scene 12Quiet
Scene 13Moving
Scene 14Moving
Scene 15Charged
Scene 16Moving
Scene 17Moving
Scene 18Charged
Scene 19Charged
Scene 20Moving
Scene 21Quiet
Scene 22Quiet
Scene 23Still
Scene 24Quiet
Scene 25Moving
Scene 26Moving
Scene 27Charged
Scene 28Charged
Scene 29Peak
Scene 30Charged
Scene 31Moving
Scene 32Moving
Scene 33Quiet
Scene 34Moving
Scene 35Charged
Scene 36Moving
Scene 37Quiet
Scene 38Quiet
Scene 39Moving
Scene 40Charged
Scene 41Charged
Scene 42Moving
Scene 43Charged
Scene 44Charged
Scene 45Peak
Scene 46Charged
Scene 47Peak
Scene 48Peak
Scene 49Peak
Scene 50Charged
Scene 51Moving
Scene 52Quiet
Scene 53Quiet
Scene 54Moving
Scene 55Quiet
Scene 56Quiet
Z56,200Peakclimax, confrontation
Z418,400Chargedhigh tension, urgency
Z333,000Movingsteady forward motion
Z221,300Quietreflection, breath
Z15,300Stillinteriority, stillness

Your story spends 61% of its words in motion, but Act II opens with 9,000 quiet words back to back.

Detected issue

The scene explains the mystery, but no one is actively resisting the protagonist.

Why it matters

The reader receives information, but the scene has little pressure. This may make the reveal feel flat.

Next fix

Give another character a reason to block the truth, lie, interrupt, or raise the cost of continuing.

The problem

You know something feels off.
But not where to start.

Every fiction writer reaches the same point: the draft exists, the scenes are there, but something feels quiet, slow, inconsistent, or unfinished. So you reread the same chapter again and again. Arbento helps you stop guessing.

01

The middle goes flat

Your story has scenes, but the energy drops and the reader starts drifting.

02

The details slip

A character changes eye color, motivation, timeline, or backstory without you noticing.

03

The next fix is unclear

You know the chapter needs work, but not whether the problem is tension, structure, emotion, or pacing.

Story intelligence

Arbento reads your story from the outside.

Instead of looking only at the sentence you are writing, Arbento understands your manuscript as a whole: characters, structure, continuity, rhythm, tone, and open story threads.

Continuity checks

It never forgets a detail.

Catch contradictions across chapters before readers do. Arbento keeps a living Codex of characters, places, rules, and details as the manuscript grows.

Codex

1 flag
Continuity check
Conflict · Chapter 9 vs Chapter 2

“She fixed him with her green eyes.” — Mira's eyes are recorded as brown in her Codex entry.

In the Codex
Mira — Protagonistbrown eyes · archivist
The Glass Citystreets curve in spirals
Rule — The river runs uphillestablished Ch. 1

Story structure signals

Know what every scene is for.

See where important beats are missing, rushed, or repeated. Arbento gives you scene-level structure feedback without turning revision into a spreadsheet.

5

Catalyst · “The Map That Breathed”

A strong opening image with a clean final reveal, but the description can reach the emotional hook faster.

What works
What to fix
Rewrite tip
✎ Rewrite tip

Cut everything between “weighted the corners” and “It showed a city.” The objects don't matter — the city does. Get there faster.

Pacing and tension

See the gaps before a reader does.

Find scenes where the story loses pressure, missing beats leave the setup soft, or the next revision priority is hiding under too many rereads.

Needs attention
5

Story Health

A vivid premise and a clear catalyst, but the setup arc still needs its Debate and Break into Two beats.

Missing beats
SetupHigh priority0%
DebateHigh priority0%
Break into TwoMedium priority0%
Next priority
→ Do this next

Write the Debate beat — Mira needs a scene where she resists committing to the Glass City before she crosses into the second act.

Character-aware feedback

Catch the scenes that drift.

Arbento remembers who your characters are, how they speak, and what the story usually feels like, then surfaces tone, rhythm, and repetition signals quietly.

Tone
This scenetense · intrigued · unsettled
Your usualwarm · wry · grounded
Sentence rhythm
ShortMediumLong
Overused words
map
city
old

Daily workflow

Write. Analyze. Understand. Fix. Keep going.

  1. 01

    A calm place to draft your novel.

    Write chapters, scenes, notes, and ideas in a clean editor designed for long-form fiction.

  2. 02

    Build story context.

    Arbento builds context from your manuscript: characters, relationships, locations, timelines, plot threads, voice, and structure.

  3. 03

    Find the real issue.

    Get clear signals for continuity issues, weak tension, missing beats, unresolved threads, and tone drift.

  4. 04

    Start with one useful revision.

    No vague advice. No generic writing tips. Arbento gives you a focused revision target so you know where to begin.

  5. 05

    Keep the bigger picture in view.

    As your story grows, Arbento keeps track of the larger manuscript so you do not have to hold the entire novel in your head.

Author-first AI

Not AI writing.
AI story diagnosis.

Arbento is not built to replace your voice, generate your novel, or take creative control away from you. It is built to help you understand the story you are already writing.

You stay the author. Arbento helps you see the draft more clearly.

Your voice stays yours

Arbento helps you revise with intention instead of rewriting your work into something generic.

You stay in control

Suggestions are signals, not commands. You decide what belongs in your story.

Built for fiction

Characters, beats, chapters, scenes, tone, continuity, and pacing are treated as story elements, not generic text.

Comparison

Most writing apps help you write.
Arbento helps you understand what you wrote.

Arbento is designed for the moment when your draft has become too complex to see clearly.

FeatureGoogle DocsScrivenerDabbleArbento
Write chapters and scenesYesYesYesYes
Organize manuscriptBasicYesYesYes
Track characters manuallyNoYesYesYes
Reads the whole manuscriptNoNoNoYes
Finds continuity issuesNoManualManualYes
Detects pacing dropsNoNoNoYes
Spots missing story beatsNoNoNoYes
Suggests next revision focusNoNoNoYes

Use cases

Made for the messy middle of fiction.

When you are stuck

You know the scene is not working, but you cannot tell why.

When your draft is getting big

Too many characters, timelines, details, and unresolved threads are living in your head.

When revision feels overwhelming

Arbento helps turn a huge manuscript into the next clear fix.

When you are writing a series

Keep track of recurring details, character history, relationships, and worldbuilding.

Apple ecosystem

Write on Mac. Review on iPad. Capture ideas on iPhone.

Arbento is designed for writers who move between focused writing sessions and everyday moments of inspiration.

Pricing

Start writing free.
Upgrade when you want story intelligence.

Free

For drafting and organizing your manuscript.

$0
  • Clean writing editor
  • Books, chapters, and scenes
  • Basic manuscript organization
  • Apple-first writing experience
Start free
Pro

Pro

For understanding and revising your story.

$9/month
  • Whole-manuscript analysis
  • Continuity checks
  • Pacing and tension signals
  • Story beat analysis
  • Character-aware feedback
  • Story memory
  • Revision priorities
Start Pro trial7-day trial · Cancel anytime · No pressure

FAQ

Questions writers ask first.

Is Arbento an AI writing generator?

No. Arbento is designed to help you understand and revise your own story. It does not replace your voice or take over the writing process.

Who is Arbento for?

Arbento is for fiction writers working on novels, short stories, series, or long drafts with characters, structure, continuity, and pacing to manage.

Is Arbento useful for first drafts or revisions?

Both. You can use Arbento while drafting, but it becomes especially powerful once your manuscript has enough story context to analyze.

Can Arbento help if I am stuck in the middle of my novel?

Yes. That is one of Arbento’s strongest use cases. It helps identify where energy drops, what feels repetitive, and what the next useful revision might be.

Does Arbento replace an editor?

No. Arbento helps you catch issues earlier and revise with more clarity, but it does not replace a professional human editor.

What makes Arbento different from Scrivener, Dabble, or Google Docs?

Those tools help you write and organize. Arbento helps you understand the story itself: continuity, character consistency, pacing, structure, and revision focus.

Does Arbento work on Mac, iPad, and iPhone?

Yes. Arbento is designed for the Apple ecosystem.

Arbento

Stop rereading the same chapter.
See what to fix next.

Your story already contains the clues. Arbento helps you find them.

Download on the App Store