ProWritingAid

ProWritingAid checks your grammar and spelling, then goes much further on style. It runs more than 25 reports on your writing, covering repeated words, sentence length, pacing, clichés, sticky sentences and dialogue, and explains each suggestion so you learn as you go. It works in its own editor, in Word, Google Docs and Scrivener, and in your browser.

It's built for long-form writers, especially novelists. AI features include rephrasing, Chapter Critique (feedback on a whole chapter in seconds), Story Canvas for testing a story idea, and an Outline Crafter. The Premium Pro plan adds live workshops, co-writing sprints and a writers' community. For short business emails and social posts, Grammarly is simpler.

The catch: the number of reports can feel overwhelming at first, and the free plan only checks 500 words at a time, twice a day per report. Monthly billing is expensive at $30, so the yearly or lifetime plans are the ones worth buying.

• Novelists
• Bloggers
• Non-fiction authors
• Students
• Editors

Authors, bloggers and anyone writing long documents who wants detailed feedback on style as well as typos.

• Grammar and spelling

  Fixes errors as you write, with a custom dictionary and your own style rules.

• 25+ writing reports

  Line-edit reports on overused words, sentence length, pacing, clichés, readability and more.

• Chapter Critique

  AI feedback on a whole chapter: what's working, what drags and what to fix.

• Rephrase and Sparks

  Suggests better ways to say a sentence, or experiments with a passage to develop it.

• Story Canvas and Outline Crafter

  Test a story idea, deepen characters and explore different outlines before you start writing.

• Works where you write

  Add-ins for Word, Google Docs and Scrivener, plus browser extensions and a desktop app.

• Free

  $0

  Trying the reports on short pieces.

  • Grammar, spelling and punctuation
  • Each report twice a day on 500 words
  • 10 rephrases a day
  • Thesaurus and 40+ document types
• Our pick

  Premium

  $30/mo, or $10/mo billed yearly ($120)

  Writers editing regularly.

  • Unlimited reports and rephrases
  • 1 Chapter Critique a day
  • Custom style guide
  • Comments and sharing
  • Lifetime option: $399 once

• Premium Pro

  $36/mo, or $12/mo billed yearly ($144)

  Authors who want feedback and a community.

  • 30 Chapter Critiques a day
  • Live workshops with authors and editors
  • Co-writing sprints and group critiques
  • Bigger discounts on manuscript analysis
  • Lifetime option: $699 once

Prices in USD unless noted, checked 3 November 2026. Vendors change plans often, so confirm on their site before you buy.

Ways ProWritingAid can slot into your week.

1. 1

   Edit a book before it goes to an editor

   Run the reports chapter by chapter to fix repetition and pacing, so a paid editor can focus on the big stuff.

2. 2

   Tighten long blog posts

   Use the readability and sticky sentence reports to make a 2,000-word guide easier to read.

3. 3

   Keep a house style

   Set custom rules for your brand terms and banned words so every writer gets flagged the same way.

4. 4

   Get feedback on a chapter

   Use Chapter Critique for a quick read on what's working before you share it with beta readers.

It plugs into Word, Google Docs and Scrivener, so it sits on top of where you already write. Draft with Claude or Sudowrite if you like, then edit in ProWritingAid.

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