ProWritingAid vs QuillBot

ProWritingAid

• Fiction writers who want feedback on a chapter or a whole manuscript
• Authors who edit in Scrivener, Word or Google Docs
• Writers who would rather buy a lifetime license than subscribe

QuillBot

• Students and writers who need to reword or shorten existing text
• People who want paraphrasing, grammar and citation tools in one account
• Teams of 2 or more that want centralized billing

ProWritingAid

• The Free plan checks at most 500 words at a time and allows 2 runs of each report per day.
• Manuscript Analysis, Virtual Beta Reader and the other full-story tools need Story Credits, bought separately from a subscription.
• An internet connection is required for the Web Editor and every integration, including the desktop apps.
• Plagiarism checks are sold separately in bundles, and each check covers up to 2,000 words.

QuillBot

• The free plan paraphrases at most 125 words at a time and offers only the Standard and Fluency modes.
• Free summaries are capped at 1,200 words; Premium raises the cap to 6,000.
• Plagiarism checking is a Premium feature and is limited to 25,000 words a month.
• The pricing page leads with annual billing at $8.33 a month; the iOS app lists monthly billing at $19.99.

ProWritingAid

Grammar Checker and Writing Reports

Fixes grammar, spelling, punctuation and consistency issues, and more than 25 reports analyze readability, sentence structure, sticky sentences and word choice.

Rephrase and Sparks

Rephrase offers alternative phrasings for a sentence, and Sparks suggests rewrites in different styles. Free accounts get 10 Rephrases and 3 Sparks a day.

Chapter Critique

Feedback on the pacing, dialogue and prose of a single chapter. Premium includes 1 critique a day and Premium Pro 30 a day.

Full-manuscript analysis

Manuscript Analysis, Plot Analysis, Character Analysis, Virtual Beta Reader and Marketability Analysis each cost 1 Story Credit per run on stories up to 300,000 words.

Planning and writing tools

Story Canvas gives guided prompts on characters, plot, setting and structure before drafting, and Writing Sessions provide a distraction-free writing space.

Works inside other writing apps

Desktop Everywhere for Windows and Mac covers Word, Scrivener and other desktop apps, and Chrome, Edge and Firefox extensions cover Google Docs, Atticus and web pages.

QuillBot

Paraphraser

Rewords text in built-in modes: Standard and Fluency on the free plan, 9 modes plus unlimited custom modes on Premium. It paraphrases in 23 languages.

Grammar Checker

Fixes basic grammar errors on the free plan and adds advanced writing suggestions and tone insights on Premium. Grammar correction covers 6 languages.

AI Detector and Humanizer

The AI Detector flags AI-generated content, and the Humanizer rewrites text so it reads more naturally. Free use of both is limited; Premium gives full access.

Summarizer and Translator

Summarizes up to 1,200 words on the free plan and 6,000 on Premium, which adds custom summaries. The Translator covers more than 40 languages.

Plagiarism and citation tools

Premium scans up to 25,000 words a month for accidental plagiarism, and the Citation Generator formats references in APA, MLA and Chicago styles.

Extensions and apps

Chrome, Edge and Safari extensions, a Word add-in, macOS and Windows apps, and iOS and Android keyboards and apps. Premium runs on up to 10 devices at a time.

ProWritingAid

• Free$0

  Grammar, spelling and punctuation checks on up to 500 words, with 10 Rephrases, 3 Sparks and 2 runs of each report per day.

• Premium$10

  per month, billed yearly ($120); $30 billed monthly

  Unlimited word count, report runs and Rephrases, 25+ writing reports, a custom style guide, 1 Chapter Critique and 5 Sparks a day.

• Premium Pro$12

  per month, billed yearly ($144); $36 billed monthly

  Everything in Premium, plus 30 Chapter Critiques and 50 Sparks a day, live workshops, daily cowriting sprints and a 200+ workshop library.

• Premium (Lifetime)$399

  one-time payment

  The Premium feature set for a single payment instead of a subscription.

• Premium Pro (Lifetime)$699

  one-time payment

  The Premium Pro feature set for a single payment instead of a subscription.

QuillBot

• Free$0

  Paraphrase up to 125 words in 2 modes, fix basic grammar errors, summarize up to 1,200 words, and use the Humanizer and AI Detector with limits.

• Premium$8.33

  per month, billed annually

  Full paraphrasing in 9 modes plus custom modes, advanced grammar suggestions, 6,000-word summaries, the full AI Detector and plagiarism checks on 25,000 words a month.

• Team Plan$7.50

  per seat / month, billed every 12 months ($89.95), for 2-10 seats

  All Premium features plus writer-management dashboards and centralized billing. $6.66 a seat for 11-50 seats and $5.83 for 51 or more.

ProWritingAid

• Annual discount

  Save 67% with yearly billing

  Premium is $10 a month billed yearly ($120) against $30 billed monthly, and Premium Pro is $12 a month ($144) against $36. The pricing page states a 67% saving.

• Lifetime license

  Lifetime licenses from $399

  A one-time payment of $399 buys Premium and $699 buys Premium Pro, each with a 3-day money-back guarantee.

• Education

  20% student discount on annual plans

  Students get 20% off annual subscriptions by verifying through the Student App Centre with an academic email address or other evidence of student status.

• Education

  Free ProWritingAid for Education license

  Primary and secondary school teachers can apply for a free ProWritingAid for Education license for themselves and their students.

QuillBot

• Annual discount

  Annual billing marked as 58% off

  The pricing page labels annual billing 58% off the monthly rate, which brings Premium to $8.33 a month. In the iOS app the plans are $99.99 a year or $19.99 a month.

• Other savings

  Team seats cost 10% to 30% less

  Team plans are $7.50 a seat per month for 2-10 seats, $6.66 for 11-50 and $5.83 for 51 or more, billed every 12 months and labeled as 10%, 20% and 30% savings.