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Browser Extensions · head to head

ProWritingAid vs Screencastify

ProWritingAid logo

ProWritingAid

Browser Extensions

AI writing assistant and grammar checker

From
Free
Rated
-
Full reviewWebsite
Screencastify logo

Screencastify

LMS

Simple video creation for everyone

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; Screencastify limited to Chrome browser only, cannot record on Firefox, Safari, or Edge
  • They diverge on capability: ProWritingAid covers Grammar checking, Screencastify covers Screen recording.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which ProWritingAid and Screencastify actually diverge.

Attributes where ProWritingAid and Screencastify differ
AttributeProWritingAidScreencastify
PlatformsWeb, Windows, Mac, Chrome, Firefox, EdgeChrome Browser
CategoryBrowser ExtensionsLMS

Identical on both: starting price (Free), pricing model (freemium), free tier (Yes), user rating (Not yet rated), founded (2013).

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
  • Firefox support
  • Safari support

Only in Screencastify

  • Screen recording
  • Video editing
  • Drawing tools
  • Google Drive export

Both cover

  • Chrome 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 Screencastify
  • Story planning and structure analysisnot Screencastify
  • Character and manuscript analysis for fiction writersnot Screencastify
  • Integration with Microsoft Word, Google Docs, Scrivener, and Notionnot Screencastify

Screencastify

  • Recording lessons for flipped classroom instruction without external toolsnot ProWritingAid
  • Creating product demos and explainer videos for sales teamsnot ProWritingAid
  • Documenting technical processes for customer support tutorialsnot ProWritingAid
  • Collecting and grading video assignments from students with rubricsnot ProWritingAid
  • Adding interactive assessments to video content to measure understandingnot 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)

Screencastify

  • Limited to Chrome browser only, cannot record on Firefox, Safari, or Edge
  • Free version watermark appears on all videos and requires upgrade to remove
  • Free tier limited to 10 videos total before requiring paid plan
  • Maximum 1080p resolution at 30fps, no support for higher framerates or 4K
  • No free educator license for educational institutions

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

Screencastify

Free
  • FreeFree
    • Up to 10 videos
    • 30-minute recording limit
    • Browser tab, full screen, and webcam recording
  • Starter$7/month
    • Unlimited videos
    • 60-minute recording limit
    • Basic editing
  • Pro$10/month
    • Unlimited videos
    • 180-minute recording limit
    • AI video enhancements
  • Enterprise & EDU$null/month
    • Custom pricing
    • Central admin controls
    • LMS integrations

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 Screencastify if

  • You need screen recording.
  • You want to start without paying.
  • You work on Chrome Browser.
  • You also want video editing.
Screencastify review

Questions people ask

Is ProWritingAid or Screencastify better?
Neither clearly leads. ProWritingAid starts at Free and Screencastify at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ProWritingAid or Screencastify?
ProWritingAid starts at Free and Screencastify at Free.
Does ProWritingAid or Screencastify run on more platforms?
ProWritingAid runs on Web, Windows, Mac, Chrome, Firefox, Edge. Screencastify runs on Chrome Browser.
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 Screencastify is typically brought in for.
What can ProWritingAid do that Screencastify cannot?
ProWritingAid covers Grammar checking, Style analysis, Readability reports, Plagiarism checker. Screencastify covers Screen recording, Video editing, Drawing tools, Google Drive export. Both handle Chrome support, Edge 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
Screencastify: What's the free tier limit?

Free plan allows 10 total videos up to 30 minutes each, with watermark. After 10 videos, you must upgrade.

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
Screencastify: Is Screencastify limited to Chrome?

Yes. Screencastify is exclusively a Chrome extension and does not work on other browsers like Firefox, Safari, or Edge.

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
Screencastify: What's the maximum video quality?

Maximum resolution is 1080p at 30 frames per second. Videos can only be exported to MP4, audio to MP3, or as GIF.

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
Screencastify: Does Screencastify work for educational use?

Screencastify lacks a free educator license for schools or non-profits, unlike some competitors who offer discounted or free plans for educational institutions.

Source
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