Authors A.I. – Write books readers love. Know how to sell them.

Analytical AI for fiction

Write stronger books. Reach more readers.

Two powerful AI tools to help you develop exceptional stories and understand what today’s readers want — so you can finish, publish, and sell more books.

See plans and pricing
Upgrade your editing in ~10 minutes
Designed by bestselling fiction author
100% confidential & secure
Analytical AI, not generative

Marlowe Pro

Elevate your craft with expert editorial feedback

Marlowe Pro is like having a seasoned developmental editor on call. Upload your manuscript and get expert insights into your book’s strengths, its shortcomings, and exactly how it stacks up against bestsellers in your category.

Learn more about Marlowe Pro →

Market Fit

Discover your book’s biggest sales opportunities

Market Fit analyzes your manuscript to show how it compares to today’s readers and bestsellers. Get clear insights into genre fit, audience demand, and positioning so you can make smarter decisions and give your book the best chance to succeed.

Learn more about Market Fit →
Here’s what you get

Features by product

Both reports are built on the same advanced analytical engine — pick the one that matches your goal.

Highlights:

  • Overall book assessment
  • Detailed plot & pacing analysis
  • Character depth & dialogue insights
  • Theme, subplot & narrative arc
  • Story structure guide & checklist
  • Key revision priorities
    • Learn more about Pro

    Highlights:

  • 20 comparable titles
  • 7 Amazon backend + 100 ad keywords
  • 3 retailer-ready book descriptions
  • Elevator pitches & ad copy
  • Market readiness score (7 dimensions)
  • Genre positioning & audience insights
    • Learn more about Market Fit
    Choose your report

    Three ways to get expert feedback

    Marlowe Pro
    Craft & Structure

    Pro Report

    $29.95
    or $19.95/mo. with a subscription

    Deep developmental feedback on your draft — plot, pacing, characters, dialogue, and structure.

    Learn More
    Market Fit New!
    Market Intelligence

    Market Fit Report

    $29.95

    Complete market positioning report — comps, keywords, descriptions, and readiness score.

    Learn More
    Bundle: Marlowe Pro + Market Fit
    Best Value

    Bundle: Pro + Market Fit

    $39.90

    Get both Pro and Market Fit reports for one manuscript — save $20 compared to buying separately.

    Learn More
    What authors are saying

    Authors use Marlowe to revise with clarity and confidence

    Writers use Marlowe to spot what’s working, uncover what needs revision, and move into their next draft with a clearer plan.

    ★★★★★
    “This program is AWESOME! I ran my unfinished manuscript and the feedback is SOOO helpful!”
    AD Justice
    AD Justice
    Romance author
    ★★★★★
    “The Marlowe Pro tool is so good you won’t believe it until you try it.”
    Jonathan Baldie
    Jonathan Baldie
    Thriller author
    ★★★★★
    “Marlowe is a powerful and impressive tool for authors of all levels.”
    Ellis Leigh
    Ellis Leigh
    USA Today bestselling author
    ★★★★★
    “One Pro report has convinced me Marlowe is worth the investment.”
    Michael Lauck
    Michael Lauck
    Science fiction author
    ★★★★★
    “It’s perfect for an author just starting out, it’s perfect for an author with fifty books.”
    Kyra Robbins
    Kyra Robbins
    Published author
    ★★★★★
    “I love this! I do a lot with publishing and this is going to be one of my new favorite tools.”
    Dee Cooper
    Dee Cooper
    Published author
    ★★★★★
    “I found the feedback insightful, practical, and immediately useful for my revision process.”
    Avery Jenkins
    Avery Jenkins
    Fiction author
    ★★★★★
    “A very useful tool for tightening story structure and identifying weak points before publishing.”
    Sarah Dalton
    Sarah Dalton
    Published author
    ★★★★★
    “It gave me clarity on what to revise first instead of wasting weeks second-guessing.”
    Egan Hughes
    Egan Hughes
    Author
    Our Partners

    Trusted across the publishing industry

    ALLi
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    IBPA
    IBPA
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    NAIWE
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    Reedsy
    Reedsy
    FAQ

    Is my work safe? How does this work?

    Your draft is 100% private. No AI models are trained on your uploads. No human sees your work unless you choose to share it. You can delete all your data at any time.
    Marlowe is analytical AI — it reads and critiques, never writes or rewrites. You remain in full creative control. Generative AI tools create new text; Marlowe helps you improve yours.
    Never. We do not use author uploads for model training, fine‑tuning, or any purpose other than generating your report.
    No. Marlowe is an analytical tool that reads your draft and provides feedback. It does not generate, publish, or distribute your content, so it does not conflict with standard publishing agreements. We always recommend reviewing your specific contract terms.

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