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ProWritingAid vs Stylus

ProWritingAid logo

ProWritingAid

Software

AI writing assistant and grammar checker

From
Free
Rated
-
Full reviewWebsite
Stylus logo

Stylus

Software

Restyle the web with custom CSS

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: ProWritingAid free plan limited to 500 word count with only 2 report runs per day; Stylus crashes and instability when applying certain styles
  • They diverge on capability: ProWritingAid covers Grammar checking, Stylus covers Custom CSS injection.

Where they differ

Only the attributes on which ProWritingAid and Stylus actually diverge.

Attributes where ProWritingAid and Stylus differ
AttributeProWritingAidStylus
Pricing modelUnknownfree
PlatformsWeb, Windows, Mac, Chrome, Firefox, EdgeChrome, Firefox, Edge, Opera
Founded20132017

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in ProWritingAid

  • Grammar checking
  • Style analysis
  • Readability reports
  • Plagiarism checker
  • Safari support

Only in Stylus

  • Custom CSS injection
  • Style management
  • userstyles.world integration
  • Built-in editor
  • Opera support

Both cover

  • Chrome support
  • Firefox support
  • Edge support

What people use each for

The jobs each tool is most often brought in to do.

ProWritingAid

  • Grammar and style checking for writers and authorsnot Stylus
  • Story planning and structure analysisnot Stylus
  • Character and manuscript analysis for fiction writersnot Stylus
  • Integration with Microsoft Word, Google Docs, Scrivener, and Notionnot Stylus

Stylus

No use cases recorded yet. See the Stylus review.

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

ProWritingAid

  • Free plan limited to 500 word count with only 2 report runs per day
  • Advanced AI features (50 Sparks per day, Chapter Critiques) only in Premium Pro tier
  • Desktop apps for Mac and Windows; iOS/Android support limited to specific integrations
  • Yearly subscriptions significantly more cost-effective than monthly (67% savings)

Stylus

  • Crashes and instability when applying certain styles
  • No visual element selector tool for identifying page elements to style
  • Security risk if downloading and applying untrusted user-created styles

Pricing, plan by plan

ProWritingAid

Free

No published plan breakdown. See the ProWritingAid review.

Stylus

Free
  • FreeFree
    • Custom CSS
    • Style library
    • Style editor

Which should you pick?

Choose ProWritingAid if

  • You need grammar checking.
  • You want to start without paying.
  • You work on Web, Windows, Mac, Chrome, Firefox, Edge.
  • You also want style analysis.
ProWritingAid review

Choose Stylus if

  • You need custom css injection.
  • You want to start without paying.
  • You work on Chrome, Firefox, Edge, Opera.
  • You also want style management.
Stylus review

Questions people ask

Is ProWritingAid or Stylus better?
Neither clearly leads. ProWritingAid starts at Free and Stylus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ProWritingAid or Stylus?
ProWritingAid starts at Free and Stylus at Free.
Does ProWritingAid or Stylus run on more platforms?
ProWritingAid runs on Web, Windows, Mac, Chrome, Firefox, Edge. Stylus runs on Chrome, Firefox, Edge, Opera.
Can I use ProWritingAid for free?
Both have a free tier, so you can try either at no cost before committing.
What is ProWritingAid best used for?
ProWritingAid is most often used for grammar and style checking for writers and authors, story planning and structure analysis, character and manuscript analysis for fiction writers, integration with microsoft word, google docs, scrivener, and notion. Of those, grammar and style checking for writers and authors and story planning and structure analysis are not what Stylus is typically brought in for.
What can ProWritingAid do that Stylus cannot?
ProWritingAid covers Grammar checking, Style analysis, Readability reports, Plagiarism checker. Stylus covers Custom CSS injection, Style management, userstyles.world integration, Built-in editor. Both handle Chrome support, Firefox support, Edge support.

Answered from the vendors’ own pages

Stylus: Is Stylus free?

Yes. Stylus is completely free and open-source, available for Chrome, Firefox, Edge, and Opera browsers.

Source
Stylus: Can I use Stylus to change the browser UI?

No. Due to WebExtensions security restrictions, Stylus can only customize website pages, not the browser interface itself.

Source
Stylus: What CSS pre-processors does Stylus support?

Stylus supports CSS, LESS, and Stylus syntax with built-in linting using Stylelint and CSSLint-mod with customizable rules.

Source
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