Grammarly vs Prowritingaid: Which Is the Best Grammar Checker?

Grammarly vs Prowritingaid

When choosing an online grammar checker, two of the most popular options are Grammarly and ProWritingAid. Both web-based tools offer various writing analysis features that help users catch grammar and spelling mistakes, fix awkward phrasing, and enhance clarity and style. However, there are some key differences between the two platforms worth considering, which may make the difference for those seeking to improve their writing.

Grammarly is known for its ease of use and comprehensive error detection capabilities. This program provides suggestions for grammar, punctuation, and spelling errors, offers tips on clarity and concision, and checks for plagiarism. Grammarly is ideally suited for those who want a simple but thorough way to detect common grammatical mistakes and improve their writing on various platforms.

ProWritingAid, on the other hand, is similar to Grammarly in many ways but offers additional features that are more aligned to the requirements of professional writers, editors, and publishers. For example, ProWritingAid includes:

  • A contextual thesaurus.
  • Style checks.
  • A built-in writing coach.
  • Grammar and spelling checks.

The program also has an extensive toolset for fine-tuning prose and improving the overall quality of their writing.

Ultimately, choosing Grammarly or ProWritingAid will depend on your writing needs. While Grammarly may be best suited for beginners and casual writers, ProWritingAid is more tailored to professionals who require a more flexible and sophisticated tool to transform their writing.

Features Comparison

When comparing Grammarly vs Prowritingaid, there are a few similarities and differences worth noting regarding their features. 


Grammarly and Prowritingaid provide basic grammar checks such as spelling, punctuation, and verb tense. They also offer suggestions for vocabulary and writing style improvements, helping to make sentences more concise and readable. In addition, both tools offer browser extensions and are compatible with popular platforms such as Microsoft Word, Google Docs, and Scrivener.


Grammarly’s strength lies in its ability to identify and correct contextual spelling errors, making it ideal for writers who want to ensure their writing is error-free. The tool also offers a plagiarism checker, helping to ensure that work is original and not copied from other sources.

Prowritingaid, on the other hand, offers more detailed analysis of individual sentences. In addition, its style and structure checks can help with more in-depth issues such as passive voice, overused words, and sentence length. It also has a thesaurus feature, which can help find more specific and diverse word choices.

Regarding pricing, Prowritingaid offers a free version with limited features, while Grammarly only offers a limited free plan. However, Grammarly’s premium plan is more expensive than Prowritingaid’s.


To summarize the features comparison between Grammarly and Prowritingaid:

Basic Grammar Checks
Contextual Spelling Checks
Style and Writing Improvements
Plagiarism Checker
Individual Sentence Analysis
Free Version AvailableLimitedYes
Price for Premium Plan$$$

In conclusion, both Grammarly and Prowritingaid can be helpful tools depending on one’s writing needs. Grammarly can provide excellent contextual spelling and plagiarism checks, making it perfect for professionals and academics. However, Prowritingaid offers more in-depth analysis for writing style and structure, ideal for fiction writers and bloggers.

Performance Comparison

Now that we’ve had a closer look at the features of both Grammarly and ProWritingAid, let’s evaluate their performance in real-world scenarios.

In terms of the overall usability and ease of use, Grammarly seems to be more straightforward to use than ProWritingAid. The interface is simple and intuitive, and the suggestions are presented clearly and concisely.

Both tools are equally effective for catching grammatical errors in identifying the most common grammar mistakes such as subject-verb agreement, pronoun usage, and tense-related errors. However, ProWritingAid seems more advanced in detecting style and structure-related issues such as passive voice, sentence length, and readability.

Regarding the accuracy of recommendations, both Grammarly and ProWritingAid are reliable tools for writers. However, sometimes, Grammarly may suggest inappropriate context or writing style corrections.

Regarding pricing, ProWritingAid is more affordable than Grammarly, as it offers a lifetime subscription for a one-time payment. Therefore, this can be a great option for writers who want to use the tool over the long run.

Overall, both Grammarly and ProWritingAid are useful tools for writers who want to improve their writing skills. While Grammarly may be more user-friendly, ProWritingAid offers more advanced capabilities for writers who want to fine-tune their writing style and structure. Depending on the writer’s needs and budget, either tool could be a worthwhile investment.

In this section, let’s compare the pricing comparison between Grammarly and ProWritingAid.

Grammarly offers three pricing plans: Free, Premium, and Business. The Free plan includes basic grammar and spelling checks, while the Premium plan offers more advanced grammar and punctuation checks, vocabulary enhancements, and genre-specific writing style checks. 

The Business plan includes all the Premium features, team administration tools and priorities support. The Premium plan is available at $29.95 per month, $59.95 per quarter, or $139.95 per year. The Business plan is available at $12.50 per member per month.

On the other hand, ProWritingAid also offers a Free plan, but it has some limitations. The Premium plan, which includes more advanced grammar and style checks, contextual thesaurus, detailed explanation of grammar rules, and integrations with third-party software, such as Google Docs, Scrivener, and MS Word, is available at $70 per year, $40 for six months, or $20 for three months. ProWritingAid also offers a lifetime subscription for $299.

Overall, both Grammarly and ProWritingAid offer similar features, but when it comes to pricing, ProWritingAid is more affordable in the long run. However, if you need a more robust and team-oriented solution, Grammarly’s Business plan may be better.

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