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Browser Extensions · head to head

ProWritingAid vs WhatFont

ProWritingAid logo

ProWritingAid

Browser Extensions

AI writing assistant and grammar checker

From
Free
Rated
-
Full reviewWebsite
WhatFont logo

WhatFont

Browser Extensions

Identify fonts on web pages

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; WhatFont can only detect web-safe fonts and fonts loaded via web font services
  • They diverge on capability: ProWritingAid covers Grammar checking, WhatFont covers Font detection.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which ProWritingAid and WhatFont actually diverge.

Attributes where ProWritingAid and WhatFont differ
AttributeProWritingAidWhatFont
Pricing modelfreemiumUnknown
PlatformsWeb, Windows, Mac, Chrome, Firefox, EdgeChrome, Firefox, Arc
Founded20132011

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 ProWritingAid

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

Only in WhatFont

  • Font detection
  • Typography info
  • Service detection
  • Hover inspection

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.

ProWritingAid

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

WhatFont

  • Identifying typefaces used on competitor websites for design researchnot ProWritingAid
  • Sourcing font inspiration from high-performing landing pagesnot ProWritingAid
  • Discovering web font services like Google Fonts or Typekit on sitesnot ProWritingAid

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)

WhatFont

  • Can only detect web-safe fonts and fonts loaded via web font services
  • Does not work on images with embedded text or rasterized typography
  • Limited to inspecting single text elements at a time

Pricing, plan by plan

ProWritingAid

Free
  • FreeFree
    • Basic grammar and spelling checks
    • 500-word limit per check
    • 2 report runs daily
  • Premium$30/month
    • Unlimited word count
    • Unlimited rephrases
    • 5 Sparks daily
  • Premium Pro$36/month
    • All Premium features
    • 50 Sparks daily
    • 3 Chapter Critiques daily

WhatFont

Free
  • FreeFree
    • Font inspection on any website
    • Font family identification
    • Font size and weight detection

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 WhatFont if

  • You need font detection.
  • You want to start without paying.
  • You work on Chrome, Firefox, Arc.
  • You also want typography info.
WhatFont review

Questions people ask

Is ProWritingAid or WhatFont better?
Neither clearly leads. ProWritingAid starts at Free and WhatFont at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ProWritingAid or WhatFont?
ProWritingAid starts at Free and WhatFont at Free.
Does ProWritingAid or WhatFont run on more platforms?
ProWritingAid runs on Web, Windows, Mac, Chrome, Firefox, Edge. WhatFont runs on Chrome, Firefox, Arc.
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 WhatFont is typically brought in for.
What can ProWritingAid do that WhatFont cannot?
ProWritingAid covers Grammar checking, Style analysis, Readability reports, Plagiarism checker. WhatFont covers Font detection, Typography info, Service detection, Hover inspection. Both handle Chrome support, Firefox support, Edge support, Safari support.

Answered from the vendors’ own pages

ProWritingAid: How much does ProWritingAid cost?

ProWritingAid is free. Premium plan costs $30/month ($120/year), and Premium Pro costs $36/month ($144/year). Both yearly plans offer significant monthly savings. Lifetime options cost $399 (Premium) or $699 (Premium Pro).

Source
WhatFont: How do I use WhatFont to inspect fonts?

Click the WhatFont icon in your browser toolbar to activate it, then hover over any text on a webpage to see the font name and details in a pop-up. Click the text to reveal additional information like font style, weight, color, and font samples.

Source
ProWritingAid: Is there a free version of ProWritingAid?

Yes. The free plan includes basic grammar and spelling checks with a 500-word limit per check, 2 report runs daily, 10 rephrases daily, and 3 Sparks daily.

Source
WhatFont: What browsers does WhatFont support?

WhatFont works on Google Chrome, Firefox, and Arc browser. It is available as a free extension in each browser's extension store.

Source
ProWritingAid: What is the difference between Premium and Premium Pro?

Premium ($30/month) includes 25+ analysis reports and 1 Chapter Critique daily. Premium Pro ($36/month) adds 50 Sparks daily, 3 Chapter Critiques daily, live workshops, and group critique sessions.

Source
WhatFont: Is WhatFont free?

Yes. WhatFont is a completely free browser extension with no paid tier or premium features. It is maintained as a free tool for designers and developers.

Source
ProWritingAid: Does ProWritingAid offer a refund guarantee?

ProWritingAid offers a 3-day money-back guarantee for yearly and lifetime subscriptions. Monthly plans have no refund option.

Source
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