Comparison
Grammarly vs ProWritingAid: Which Writing Tool Is Better?
A practical comparison of Grammarly and ProWritingAid for grammar checking, proofreading, long-form editing, academic writing, business communication, writing reports, AI features, and value for money.
Quick decision
Which one should you choose?
Worth it for regular writers
Students, professionals, freelancers, marketers, business users, non-native English speakers, and anyone who writes regularly and wants clearer, cleaner, more professional writing.
4/5 Tool Verdict ratingWorth it for detailed editing and long-form writing feedback
Authors, long-form writers, students, bloggers, editors, content writers, professional writers, and users who want deeper writing reports than Grammarly provides.
4.3/5 Tool Verdict ratingBest for
Best for
Grammarly
Students, professionals, freelancers, marketers, business users, non-native English speakers, and anyone who writes regularly and wants clearer, cleaner, more professional writing.
ProWritingAid
Authors, long-form writers, students, bloggers, editors, content writers, professional writers, and users who want deeper writing reports than Grammarly provides.
Verdict
Verdict
Grammarly
Worth it for regular writers
ProWritingAid
Worth it for detailed editing and long-form writing feedback
Tool Verdict rating
Tool Verdict rating
Grammarly
4/5
ProWritingAid
4.3/5
Pricing tiers
Pricing tiers
Grammarly
Best for basic grammar, spelling, tone detection, and limited AI writing prompts.
Best for regular writers who need full-sentence rewrites, tone adjustment, fluency help, advanced suggestions, plagiarism detection, AI detection, and higher AI prompt limits.
Best for organisations that need admin controls, SAML SSO, SCIM, data loss prevention, custom roles, audit logs, managed mode, enterprise security, and organisation-wide writing support.
ProWritingAid
Best for trying ProWritingAid with basic grammar, spelling, punctuation, Word Explorer, document type settings, a 500-word count limit, limited report runs, 10 Rephrases per day, and 3 Sparks per day.
Best for writers who need unlimited word count, unlimited Rephrases, unlimited report runs, advanced style improvements, custom style guide, snippets, 25+ writing reports, citations, collaboration, and deeper editing feedback.
Best for heavy writers who want everything in Premium plus higher AI and story-editing limits, including 50 Sparks per day, 3 Chapter Critiques per day, larger Story Credit discounts, workshops, writing sprints, and extra author-focused support.
Free plan
Free plan
Grammarly
Yes — Grammarly has a free plan. It covers basic grammar, spelling, tone detection, and limited AI prompt usage, but advanced rewrites, fluency suggestions, plagiarism detection, AI detection, team controls, and enterprise security features require paid plans.
ProWritingAid
Yes — ProWritingAid has a free plan. It is useful for basic writing suggestions, grammar, spelling, punctuation, Word Explorer, document type settings, limited Rephrases, limited Sparks, and testing the tool. Paid plans are needed for unlimited word count, unlimited report runs, unlimited Rephrases, advanced style improvements, custom style guide, 25+ writing reports, collaboration, Chapter Critique, and heavier AI-assisted writing workflows.
Platforms
Platforms
Grammarly
Web, Windows, macOS, iOS, Android, Chrome, Safari, Firefox, Edge, Microsoft Word, Google Docs
ProWritingAid
Web, Windows, macOS, Chrome, Edge, Firefox, Safari, Microsoft Word, Google Docs, Scrivener
Main strengths
Main strengths
Grammarly
Best for Editing; Writers and professionals
ProWritingAid
Best for Long-Form Editing; Authors and long-form writers
Watch-outs
Watch-outs
Grammarly
Check current plan limits, usage caps, export rules, privacy settings, and whether the tool fits your exact workflow before committing.
ProWritingAid
Check current plan limits, usage caps, export rules, privacy settings, and whether the tool fits your exact workflow before committing.
Integrations
Integrations
Grammarly
Browser, web, desktop, mobile
ProWritingAid
Web, desktop, browser
Summary
Summary
Grammarly
Grammarly is an AI-powered writing assistant that helps users improve grammar, spelling, punctuation, clarity, tone, readability, and overall writing quality. It is most useful for people who write regularly, including students, professionals, freelancers, marketers, and business users. The free plan is strong for basic writing checks, while Grammarly Pro is better for users who need deeper suggestions, rewrites, plagiarism checks, AI detection, tone control, and more advanced writing support. It is not a full replacement for human editing or subject expertise, but it is one of the easiest tools to use for improving everyday writing across emails, documents, browser-based writing, and mobile workflows.
ProWritingAid
ProWritingAid is a writing assistant focused on detailed editing, grammar checking, style improvement, readability, writing reports, rephrasing, and long-form writing feedback. It is especially useful for authors, students, bloggers, editors, and writers who want to understand patterns in their writing rather than only fix quick grammar mistakes. Compared with Grammarly, ProWritingAid can feel more detailed and better suited to long-form work, though it may require more time to review suggestions properly. The free plan is useful for testing, while Premium and Premium Pro are better for regular writers who want unlimited checks, deeper reports, style tools, citations, collaboration, and more AI-assisted writing support.
Best overall choice
Best overall choice
Grammarly
Better for most users who want fast grammar checks, clarity suggestions, tone support, rewrites, and an easy writing assistant across emails, documents, browsers, and everyday writing.
ProWritingAid
Better for writers who want deeper editing reports, long-form writing feedback, readability analysis, style improvements, and more detailed control over revisions.
Best for students
Best for students
Grammarly
Better for students who want quick grammar, spelling, clarity, tone, plagiarism, and AI detection support before submitting essays or coursework.
ProWritingAid
Better for students working on longer essays, dissertations, creative writing, or academic drafts where deeper structure, readability, and style feedback matter.
Best for professionals
Best for professionals
Grammarly
Better for professionals who write emails, reports, applications, proposals, documents, and client-facing communication and want fast polish with minimal setup.
ProWritingAid
Better for professionals who produce longer documents, reports, articles, white papers, or detailed written work that benefits from more analysis.
Best for long-form writing
Best for long-form writing
Grammarly
Useful for improving clarity, tone, grammar, and sentence quality, but less detailed than ProWritingAid for full-document analysis.
ProWritingAid
Stronger for long-form writing because it offers more detailed reports, readability checks, style analysis, pacing feedback, and revision depth.
Best for quick proofreading
Best for quick proofreading
Grammarly
Better for fast, simple, everyday proofreading because it is easier to use and works smoothly across common writing surfaces.
ProWritingAid
Good for proofreading, but more useful when you are willing to spend longer reviewing detailed suggestions and reports.
Best for authors and creative writers
Best for authors and creative writers
Grammarly
Useful for catching mistakes and improving clarity, but not as focused on fiction, style patterns, pacing, or manuscript-level feedback.
ProWritingAid
Better for authors, bloggers, and long-form writers who want deeper editing reports and more writing-development feedback.
Best for business writing
Best for business writing
Grammarly
Better for everyday workplace writing, emails, tone, professionalism, and quick communication improvements.
ProWritingAid
Better for longer business documents, reports, thought leadership, and content where deeper editing matters more than speed.
Best for ease of use
Best for ease of use
Grammarly
Easier to use, faster to understand, and better suited to people who want writing help without spending time learning reports.
ProWritingAid
More powerful for detailed editing, but it has a steeper learning curve and may feel heavier for casual users.
Best for value
Best for value
Grammarly
Better value if you write regularly across everyday work, study, emails, and browser-based writing.
ProWritingAid
Better value if you write long-form content often enough to use the deeper reports and editing tools properly.
Biggest reason to choose it
Biggest reason to choose it
Grammarly
Grammarly is faster, simpler, and better for everyday writing improvement.
ProWritingAid
ProWritingAid gives deeper writing feedback and is stronger for long-form editing.
Biggest reason to avoid it
Biggest reason to avoid it
Grammarly
It can feel expensive if you only need basic proofreading or want detailed long-form writing analysis.
ProWritingAid
It can feel slower and more complex if you only need quick grammar checks and simple writing polish.
Final verdict
Which one should you choose?
Choose Grammarly if you want the easier everyday writing assistant. It is better for quick proofreading, emails, essays, business documents, browser writing, tone checks, rewrites, and general writing confidence.
Choose ProWritingAid if you want deeper editing feedback. It is better for authors, bloggers, long-form writers, students working on large assignments, and anyone who wants detailed reports rather than quick corrections.
For most everyday users, Grammarly is the simpler recommendation. For serious long-form writers who are willing to spend more time editing, ProWritingAid is the better specialist tool.