QuillBot vs ProWritingAid: Which Writes Better Content in 2026?

QuillBot or ProWritingAid? We tested both on blog posts, emails, and copy — compare output quality and pricing.

Category
AI Writing & Content Tools
Format
Head-to-head
Updated
April 5, 2026
Visit QuillBot (opens in a new tab) Visit ProWritingAid (opens in a new tab)
Screenshot of QuillBot interface showing paraphrasing and grammar tools
QuillBot
Screenshot of ProWritingAid interface showing writing analysis
ProWritingAid

How they compare

Feature
QuillBot
ProWritingAid
Made by QuillBot (Course Hero) Orpheus Technology Ltd.
Category Academic Writing AI Book Writing AI Creative Writing Writing & Editing AI Editing Tools AI Grammar Checker Tools AI Writing & Content Tools Content, Media & Communication +1 more
Pricing model Free Freemium Subscription Free Freemium Subscription
Platforms API Chrome Extension Web Browser Extension Desktop Google Docs Add-on Microsoft Word Add-in +1 more
Built with JavaScript Machine Learning Python JavaScript Python React
Languages English English
Based in United States United Kingdom

Greyed rows are the same for both tools.

What each one is

QuillBot

QuillBot is an AI-powered writing assistant designed to help users improve their writing through paraphrasing, grammar checking, summarizing, and style enhancement. It leverages advanced natural language processing and machine learning algorithms to rewrite text, correct errors, and generate concise summaries, making it a versatile tool for students, writers, and professionals seeking to enhance their written communication.

Full QuillBot review

ProWritingAid

ProWritingAid is an AI-powered writing assistant designed to improve grammar, style, and readability. It offers detailed reports and suggestions to help writers polish their work, whether academic, creative, or professional. The tool integrates with popular platforms like Microsoft Word, Google Docs, and web browsers to provide real-time feedback.

Full ProWritingAid review

Key features

QuillBot

  • Multiple Paraphrasing Modes

    Offers modes like Standard, Fluency, Creative, and Formal to tailor rewriting style.

  • Grammar and Spell Checker

    Automatically detects and corrects grammatical errors and typos.

  • Summarizer Tool

    Creates concise summaries from longer texts to save reading time.

  • Citation Generator

    Helps generate citations in various academic formats.

  • Chrome Extension

    Enables writing assistance directly within web-based editors and platforms.

ProWritingAid

  • Grammar and Spell Checker

    Detects and corrects grammar mistakes, typos, and punctuation errors.

  • Style and Readability Reports

    Analyzes sentence length, passive voice, clichés, and readability scores.

  • Plagiarism Checker

    Compares text against billions of web pages to identify potential plagiarism.

  • Contextual Thesaurus

    Suggests synonyms based on context to improve word choice.

  • Integrations

    Works with Microsoft Word, Google Docs, Scrivener, Chrome, Firefox, and Safari.

Pricing

Plans as published by each vendor. Check the vendor site before buying — pricing changes.

QuillBot

  • Free $0/month

    Access to basic paraphrasing and grammar checking with limited character usage.

  • Premium (monthly) $19.95/month

    Unlimited character usage, faster processing, additional writing modes, and advanced features.

  • Premium (annual) $8.33/month (billed $99.95/year)

    Annual subscription with cost savings and full access to premium features.

ProWritingAid

  • Free $0/month

    Limited access with basic grammar and spelling checks.

  • Premium $20/month

    Full access to all reports, plagiarism checker, and integrations.

  • Premium Plus $24/month

    Includes plagiarism checker credits and priority support.

Strengths and trade-offs

QuillBot

Strengths

  • User-friendly interface with intuitive controls
  • Multiple paraphrasing modes for varied writing styles
  • Integrated grammar and spell checking
  • Summarization feature saves time on reading
  • Chrome extension enhances workflow in browsers

Trade-offs

  • Limited language support focused on English
  • Free plan has character limits and fewer features
  • AI output may require manual review for accuracy

ProWritingAid

Strengths

  • Comprehensive writing reports covering multiple aspects
  • Integrates with popular writing platforms
  • Affordable pricing with a free tier
  • Detailed explanations help improve writing skills
  • Plagiarism checker included in premium plans

Trade-offs

  • Primarily supports English only
  • User interface can be overwhelming for beginners
  • Some advanced features require premium subscription

Who it is for

QuillBot

  • Students and educators
  • Content writers and bloggers
  • Academic researchers
  • Marketing professionals
  • Non-native English speakers

ProWritingAid

  • Students and academics
  • Content marketers and bloggers
  • Authors and creative writers
  • Business professionals
  • Editors and proofreaders

What people use it for

QuillBot

  • Paraphrasing and Rewriting

    Helps users rephrase sentences and paragraphs to improve clarity and avoid plagiarism.

  • Grammar and Spell Checking

    Detects and corrects grammar, spelling, and punctuation errors to enhance writing quality.

  • Summarization

    Condenses long articles or documents into concise summaries for quick understanding.

  • Writing Enhancement

    Offers suggestions to improve tone, style, and fluency for various writing needs.

  • Academic and Professional Writing

    Supports students, researchers, and professionals in producing polished essays, reports, and papers.

ProWritingAid

  • Academic Writing

    Helps students and researchers improve grammar, style, and clarity in essays, theses, and papers.

  • Content Creation

    Assists bloggers, marketers, and authors in refining content for readability and engagement.

  • Business Communication

    Enhances emails, reports, and proposals with professional tone and error-free language.

  • Creative Writing

    Supports fiction and non-fiction writers with style suggestions and pacing improvements.

  • Editing and Proofreading

    Provides detailed reports to identify grammar mistakes, repeated words, and sentence structure issues.

Getting started

QuillBot

  1. Access the Platform

    Visit quillbot.com or install the Chrome extension to start using the tool.

  2. Input Text

    Paste or type the text you want to paraphrase, summarize, or check.

  3. Select Mode

    Choose the desired function such as Paraphrase, Summarize, or Grammar Check.

  4. Customize Settings

    Adjust writing modes or summary length according to your needs.

  5. Review and Edit

    Review the AI-generated output and make any necessary manual adjustments.

ProWritingAid

  1. Upload or Write Text

    Users can paste text into the web editor or write directly within supported platforms.

  2. Run Analysis

    The tool scans the text for grammar, style, readability, and plagiarism issues.

  3. Review Suggestions

    Users receive detailed reports with explanations and can accept or reject corrections.

  4. Improve and Export

    After applying changes, users can export the polished text or continue editing.

Common questions

Yes, QuillBot offers a free plan with limited features and character usage.

Yes, it offers detailed explanations and suggestions that help non-native speakers improve their writing skills.

Yes, it includes a grammar and spell checker to improve writing accuracy.

ProWritingAid primarily works online, but desktop apps allow some offline editing with syncing when reconnected.

Currently, QuillBot primarily supports English.

Yes, it offers an add-in for Microsoft Word on Windows and Mac.

No, QuillBot requires an internet connection to access its AI-powered features.

It compares your text against billions of web pages and academic databases to provide reliable plagiarism detection.

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