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Browser Extensions · head to head

AdBlock Plus vs ProWritingAid

AdBlock Plus logo

AdBlock Plus

Browser Extensions

The world's most popular ad blocker

From
Free
Rated
-
Full reviewWebsite
ProWritingAid logo

ProWritingAid

Browser Extensions

AI writing assistant and grammar checker

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: AdBlock Plus acceptable Ads allowlist model generates controversy over ad filtering conflicts of interest; ProWritingAid free plan limited to 500 word count with only 2 report runs per day
  • They diverge on capability: AdBlock Plus covers Ad blocking, ProWritingAid covers Grammar checking.

Where they differ

Only the attributes on which AdBlock Plus and ProWritingAid actually diverge.

Attributes where AdBlock Plus and ProWritingAid differ
AttributeAdBlock PlusProWritingAid
Pricing modelfreeUnknown
PlatformsChrome, Edge, Firefox, Opera, Safari, Yandex BrowserWeb, Windows, Mac, Chrome, Firefox, Edge
Founded20062013

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

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 AdBlock Plus

  • Ad blocking
  • Acceptable Ads
  • Custom filters
  • Social media blocking
  • Opera support

Only in ProWritingAid

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

Both cover

  • Chrome support
  • Firefox support
  • Edge support
  • Safari support

What people use each for

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

AdBlock Plus

No use cases recorded yet. See the AdBlock Plus review.

ProWritingAid

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

Where each one falls short

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

AdBlock Plus

  • Acceptable Ads allowlist model generates controversy over ad filtering conflicts of interest
  • Smaller feature set compared to open-source alternatives like uBlock Origin
  • Less customization and dynamic filtering compared to uBlock Origin
  • Mobile version less comprehensive than desktop extension
  • Chrome version increasingly limited due to Manifest V3 migration

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)

Pricing, plan by plan

AdBlock Plus

Free
  • FreeFree
    • Ad blocking
    • Acceptable Ads option
    • Custom filters

ProWritingAid

Free

No published plan breakdown. See the ProWritingAid review.

Which should you pick?

Choose AdBlock Plus if

  • You need ad blocking.
  • You want to start without paying.
  • You work on Chrome, Edge, Firefox, Opera, Safari, Yandex Browser.
  • You also want acceptable ads.
AdBlock Plus review

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

Questions people ask

Is AdBlock Plus or ProWritingAid better?
Neither clearly leads. AdBlock Plus starts at Free and ProWritingAid at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, AdBlock Plus or ProWritingAid?
AdBlock Plus starts at Free and ProWritingAid at Free.
Does AdBlock Plus or ProWritingAid run on more platforms?
AdBlock Plus runs on Chrome, Edge, Firefox, Opera, Safari, Yandex Browser. ProWritingAid runs on Web, Windows, Mac, Chrome, Firefox, Edge.
Can I use AdBlock Plus for free?
Both have a free tier, so you can try either at no cost before committing.
What can AdBlock Plus do that ProWritingAid cannot?
AdBlock Plus covers Ad blocking, Acceptable Ads, Custom filters, Social media blocking. ProWritingAid covers Grammar checking, Style analysis, Readability reports, Plagiarism checker. Both handle Chrome support, Firefox support, Edge support, Safari support.

Answered from the vendors’ own pages

AdBlock Plus: What does Adblock Plus block?

Adblock Plus blocks banner ads, pre-roll and mid-roll video ads on YouTube, pop-ups, sidebar ads, and most standard display formats. With Acceptable Ads disabled and EasyPrivacy enabled, it achieved a 100/100 score on AdBlock Tester in April 2026.

Source
AdBlock Plus: What browsers does Adblock Plus support?

Adblock Plus is available for Chrome, Edge, Firefox, Opera, Safari, and Yandex Browser.

Source
AdBlock Plus: Is there a premium version of Adblock Plus?

Yes. Adblock Plus Premium costs $40 annually or $4 per month and allows users to block cookie consent pop-ups, while the free version includes core ad blocking.

Source
AdBlock Plus: What is Acceptable Ads?

Acceptable Ads is an opt-in setting that allows advertising Adblock Plus deems unobtrusive to display on websites; it is disabled by default but can be toggled in Settings.

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Related pages

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