ProWritingAid vs. Grammarly for Authors: A Published Author’s Take

As a fellow published author, I can break down the pros and cons of ProWritingAid and Grammarly to help you decide which is better for your needs. Here’s a comparison focusing on features helpful to writers and cost:

Helpfulness for Authors
  • Grammar and Mechanics: Both catch typos, grammatical errors, and offer suggestions for clarity. Grammarly might have a slight edge in accuracy, but it’s a close call.
  • Style and Readability: ProWritingAid shines here with reports on overused words, cliches, sentence length variations, and a “Readability Score”. It helps you write with variety and keep your audience engaged.
  • Genre-Specific Checks: ProWritingAid offers reports for dialogue checks, passive voice overuse, and even clichés specific to fiction genres. This is a big win for fiction writers.
  • Rephrasing and Tone: Both offer suggestions, but Grammarly excels with its one-click tone adjustment feature. This is handy for quickly shifting the formality or mood of your writing.

  • Free Plans: Grammarly’s free plan is more generous, offering basic grammar checks and a plagiarism checker is available with paid plans. ProWritingAid’s free tier limits you to 500 words and 10 rephrases per day.
  • Paid Plans: ProWritingAid offers yearly and lifetime subscriptions, making it potentially cheaper in the long run. Grammarly only has monthly and yearly plans, with plagiarism checking as an extra cost.
Here’s my verdict:
  • Choose ProWritingAid if:
    • You write fiction and value genre-specific checks.
    • You crave detailed reports to improve your style and readability.
    • Cost is a major concern and you prefer a yearly or lifetime plan.
  • Choose Grammarly if:
    • You need a user-friendly interface and one-click tone adjustments.
    • You don’t mind a slightly higher cost for plagiarism checking included.
    • You appreciate a generous free plan for basic grammar checks.

Bonus Tip: Both offer free trials. Take advantage of them to see which interface and features resonate with you the most as an author.

What is the current costs of ProWritingAid and Grammarly

Here’s a breakdown of the current costs for ProWritingAid and Grammarly (as of May 14, 2024):


  • Free: Same as before (limited features).
  • Premium ($30/month or $120/year.): Removes word limits, and unlocks all features except plagiarism checking which can be purchased separately.
  • Premium Pro ($36/month or $144/year) – gives 3 Full Critiques per day
  • Lifetime ($399.): One-time fee, includes all features except plagiarism checking. Which is still sold separately.
  • Lifetime Pro ($699): One-time fee, includes all features plus 3 full critiques per day.
  • Plagiarism Checks (10/$10, 100/$40, 500/$120, 1000/$200)- Plagiarism checks include up to 2000 words per check.


  • Free: Same as before (limited features).
  • Premium (Monthly: $30/month approx., Yearly: $12/month approx.): Advanced grammar and clarity suggestions, plagiarism checking (with yearly plan only).
  • Business (Minimum 3 users, $15.00/user/month – paid quarterly): Team features and priority support.

Things to Consider:

  • These are approximate prices and might vary slightly depending on exchange rates.
  • Both services offer discounts during promotions, so keep an eye out for deals.
  • ProWritingAid’s yearly plan can be cheaper than Grammarly’s monthly plan in the long run.
  • ProWritingAid’s lifetime plans are the most cost-effective option if you plan to use the tool for a long time. However, you’ll need to purchase plagiarism checks separately.
  • Grammarly’s yearly plan includes plagiarism checking, making it a good value option.

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