ProWritingAid

Key facts: ProWritingAid goes deeper than a basic grammar checker: alongside spelling and grammar it analyses style, readability, sentence variety and structure across more than 25 reports, with story tools including Story Canvas, Chapter Critique and Manuscript Analysis. It integrates with Google Docs, Microsoft Word, Scrivener and browsers.

Plans: ProWritingAid has a free plan that checks 500 words at a time with daily caps on reports and rewrites. Premium costs $30 a month billed monthly or $120 a year, and Premium Pro $36 a month or $144 a year, both removing the word limit; lifetime licences are also sold. Check the official pricing page before buying.

Best for: fiction writers and long-form authors who want manuscript-level feedback. Watch out: 25 reports can overwhelm — start with grammar, readability and one style report, and ignore the rest until the draft is done.

Pros

• Goes deeper than a basic grammar checker, with more than 25 reports on style, readability, sentence variety and structure.
• Story tools include Story Canvas, Chapter Critique and Manuscript Analysis.
• Integrates with Google Docs, Microsoft Word, Scrivener and browsers.
• Covers spelling and grammar alongside style, so one tool handles several editing passes.

Watch out for

• More than 25 reports can overwhelm, so start with grammar, readability and one style report and ignore the rest until the draft is done.
• The free plan checks only 500 words at a time, with daily caps on reports and rewrites.
• Choosing between monthly, annual and lifetime licences takes a little thought before buying.

Best for

Fiction writers and long-form authors who want manuscript-level feedback. Who should skip it: writers who only need a quick grammar pass on short pieces.

Pricing

ProWritingAid has a free plan that checks 500 words at a time with daily caps on reports and rewrites. Premium costs $30 a month billed monthly or $120 a year, and Premium Pro $36 a month or $144 a year, both removing the word limit; lifetime licences are also sold. Check the official pricing page before buying.

FAQs

How is it different from a grammar checker? It adds style, readability, sentence variety and structure analysis across more than 25 reports, plus story tools.

Which apps does it work with? Google Docs, Microsoft Word, Scrivener and browsers.

What does the free plan cover? Checks of 500 words at a time, with daily caps on reports and rewrites.

Where should a new user start? With grammar, readability and one style report, leaving the rest until the draft is done.