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Marketing · head to head

Moz vs ProWritingAid

Moz logo

Moz

Marketing

SEO software for smarter marketing

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: Moz smaller keyword database with only 500M+ keywords compared to 25 billion for Semrush; ProWritingAid free plan limited to 500 word count with only 2 report runs per day
  • They diverge on capability: Moz covers Keyword Explorer, ProWritingAid covers Grammar checking.

Where they differ

Only the attributes on which Moz and ProWritingAid actually diverge.

Attributes where Moz and ProWritingAid differ
AttributeMozProWritingAid
PlatformsWebWeb, Windows, Mac, Chrome, Firefox, Edge
CategoryMarketingBrowser Extensions
Founded20042013

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

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 Moz

  • Keyword Explorer
  • Link Explorer
  • Site Crawl
  • Rank Tracking
  • Page Optimization
  • Competitive research
  • Local SEO tools
  • Fresh Web Explorer

Only in ProWritingAid

  • Grammar checking
  • Style analysis
  • Readability reports
  • Plagiarism checker
  • Chrome support
  • Firefox support
  • Edge support
  • Safari support

What people use each for

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

Moz

  • SEO auditsnot ProWritingAid
  • Keyword researchnot ProWritingAid
  • Link buildingnot ProWritingAid
  • Local SEOnot ProWritingAid
  • Competitive analysisnot ProWritingAid

ProWritingAid

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

Where each one falls short

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

Moz

  • Smaller keyword database with only 500M+ keywords compared to 25 billion for Semrush
  • Unreliable competitive analysis for B2B companies with niche competitor sets
  • Weekly rank tracking on lower plans creates bottlenecks versus daily updates on competitors

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

Moz

Free
  • Starter$39/month
    • Limited keyword tracking
    • Basic site audit
  • Standard$99/month
    • Enhanced keyword tracking
    • Competitive analysis

ProWritingAid

Free

No published plan breakdown. See the ProWritingAid review.

Which should you pick?

Choose Moz if

  • You need keyword explorer.
  • You want to start without paying.
  • You also want link explorer.
Moz 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 Moz or ProWritingAid better?
Neither clearly leads. Moz 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, Moz or ProWritingAid?
Moz starts at Free and ProWritingAid at Free.
Does Moz or ProWritingAid run on more platforms?
Moz runs on Web. ProWritingAid runs on Web, Windows, Mac, Chrome, Firefox, Edge.
Can I use Moz for free?
Both have a free tier, so you can try either at no cost before committing.
What is Moz best used for?
Moz is most often used for seo audits, keyword research, link building, local seo. Of those, seo audits and keyword research are not what ProWritingAid is typically brought in for.
What can Moz do that ProWritingAid cannot?
Moz covers Keyword Explorer, Link Explorer, Site Crawl, Rank Tracking. ProWritingAid covers Grammar checking, Style analysis, Readability reports, Plagiarism checker.

Answered from the vendors’ own pages

Moz: What are Moz's main weaknesses compared to Semrush and Ahrefs?

Moz has a smaller keyword database (500M+ keywords vs Semrush's 25B), weaker competitive analysis tools for B2B niches, weekly rank tracking on lower plans, and limited local SEO features compared to modern competitors.

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