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Browser Extensions · head to head

ProWritingAid vs Raindrop.io

ProWritingAid logo

ProWritingAid

Browser Extensions

AI writing assistant and grammar checker

From
Free
Rated
-
Full reviewWebsite
Raindrop.io logo

Raindrop.io

Browser Extensions

All-in-one bookmark manager

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; Raindrop.io no offline access to bookmarks
  • They diverge on capability: ProWritingAid covers Grammar checking, Raindrop.io covers Bookmark management.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which ProWritingAid and Raindrop.io actually diverge.

Attributes where ProWritingAid and Raindrop.io differ
AttributeProWritingAidRaindrop.io
Pricing modelfreemiumUnknown
PlatformsWeb, Windows, Mac, Chrome, Firefox, EdgeWeb, Chrome, Firefox, Safari, Edge, macOS, Windows, iOS, Android

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

Only in Raindrop.io

  • Bookmark management
  • Collections
  • Full-text search
  • Duplicate detection
  • Opera support

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

Raindrop.io

  • Organizing research materials across multiple projects with instant previewsnot ProWritingAid
  • Backing up web articles and pages before disappearing from the internetnot ProWritingAid
  • Tagging and annotating content for collaborative team research with highlightsnot ProWritingAid
  • Consolidating bookmarks from Twitter, YouTube, and Dropbox into unified collectionsnot 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)

Raindrop.io

  • No offline access to bookmarks
  • Free plan limited to 100 MB per month file uploads
  • Free plan limited to 3 highlights per bookmark, Pro unlimited
  • Full-text search only available in Pro plan
  • No self-hosted deployment option
  • No enterprise SSO or SAML support

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

Raindrop.io

Free
  • FreeFree
    • Unlimited bookmarks and collections
    • Basic organization with tags and filters
    • Cross-device syncing
  • Pro$3.17/month
    • Everything in Free
    • Full-text search of all page content
    • Permanent web archives of saved pages

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 Raindrop.io if

  • You need bookmark management.
  • You want to start without paying.
  • You work on Web, Chrome, Firefox, Safari, Edge, macOS, Windows, iOS, Android.
  • You also want collections.
Raindrop.io review

Questions people ask

Is ProWritingAid or Raindrop.io better?
Neither clearly leads. ProWritingAid starts at Free and Raindrop.io at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ProWritingAid or Raindrop.io?
ProWritingAid starts at Free and Raindrop.io at Free.
Does ProWritingAid or Raindrop.io run on more platforms?
ProWritingAid runs on Web, Windows, Mac, Chrome, Firefox, Edge. Raindrop.io runs on Web, Chrome, Firefox, Safari, Edge, macOS, Windows, iOS, Android.
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 Raindrop.io is typically brought in for.
What can ProWritingAid do that Raindrop.io cannot?
ProWritingAid covers Grammar checking, Style analysis, Readability reports, Plagiarism checker. Raindrop.io covers Bookmark management, Collections, Full-text search, Duplicate detection. 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
Raindrop.io: Does Raindrop.io work offline?

No, Raindrop.io is a cloud-based service and does not support offline access to your bookmarks. An offline mode has been heavily requested by users but is not yet available.

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
Raindrop.io: Can I export all my bookmarks from Raindrop.io?

Yes. You can export your entire account, individual collections, or selected bookmarks in HTML (Netscape Bookmarks format), CSV, or TXT formats. Pro users can create automatic daily backups with up to 30 retained versions.

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
Raindrop.io: What is the difference between the free and Pro plans?

The free plan offers unlimited bookmarks and collections with basic organization. Pro ($38/year) adds full-text search of page content, permanent web archives, AI tag suggestions, file uploads up to 10GB/month, automatic backups, and an AI assistant for managing bookmarks.

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
Raindrop.io: How much can I upload to Raindrop.io on the free plan?

Free users are limited to 100 MB per month in file uploads, with individual files capped at 100 MB. Pro users get 10 GB per month with 300 MB per file.

Source
Raindrop.io: Does Raindrop.io offer self-hosting or SSO for teams?

No, Raindrop.io is a cloud-only service. There is no self-hosted option or enterprise SSO (SAML/LDAP) support. Authentication is limited to email/password, Google, or Apple sign-in.

Source
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