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QuillBot Review

QuillBot is an AI-powered writing assistant designed to enhance and streamline the writing process for students, academics, and professionals.

shipped May 31, 2026aifreemium
ai
QuillBot - AI tool for quillbot. Professional illustration showing core functionality and features.

Why it matters

1QuillBot operates on a freemium model, with Premium plans starting at $14.95/month or $89.95/year.
2Its core Paraphraser offers 10 distinct modes, including Standard, Fluency, and Academic.
3The Citation Generator supports over 1,000 styles, such as APA, MLA, and Chicago.
4QuillBot holds an average rating of 4.9 out of 5 stars on Trustpilot from over 12,300 reviews.

Stork’s verdict on QuillBot

QuillBot offers a comprehensive suite of writing refinement tools, but its AI-enhanced output often needs a human touch for genuine voice.

QuillBot reviewed by Stork AI · stork.ai/en/quillbot

About QuillBot

Business Model
Subscription SaaS
Headquarters
Newark, NJ, USA
Founded
2017
Team Size
51-100
Funding
Series A
Total Raised
$4.2 million
Platforms
Web, iOS, Android
Target Audience
Students, writers, professionals

Pricing Plans

Free
Free
  • • Basic paraphrasing
  • • Limited modes
  • • Access to grammar checker
Premium
$14.95/mo
  • • Unlimited modes
  • • Advanced paraphrasing
  • • Access to all features
Annual Premium
$89.95/yr
  • • Unlimited modes
  • • Advanced paraphrasing
  • • Access to all features

Leadership

David D.Co-founder
Rohan S.Co-founder

Investors

GSV Ventures, Y Combinator

Specs

API Docs

View Documentation →

API Available

Yes, public API

Screenshots

overview

What is QuillBot?

QuillBot is an AI-powered writing assistant tool developed by QuillBot (Co-founders David D. and Rohan S.) that enables students, academics, and professionals to refine and enhance existing text. It offers a suite of tools primarily focused on improving clarity, adjusting tone, and ensuring originality across various writing tasks. The platform provides functionalities for paraphrasing, grammar checking, summarizing, and generating citations, among others, to streamline the writing and editing process.

features

Key Features of QuillBot

QuillBot provides a comprehensive set of AI-driven writing tools designed to assist users in refining and enhancing their written content. These features focus on improving clarity, adjusting tone, ensuring grammatical correctness, and verifying originality, catering to a wide range of writing needs from academic papers to professional communications.

  • Paraphraser: Rewrites sentences, paragraphs, or articles with 10 distinct modes (Standard, Fluency, Formal, Academic, Simple, Creative, Expand, Shorten, Humanizer, Custom) to adjust tone and clarity.
  • Grammar Checker: Identifies and corrects grammar, spelling, and punctuation errors in text.
  • Summarizer: Condenses long texts into key points, available as a paragraph or bullet-point list, with a Custom mode for personalized summaries.
  • Citation Generator: Automatically creates citations in over 1,000 styles, including APA, MLA, and Chicago.
  • Plagiarism Checker: Scans documents against billions of online sources to ensure originality and detect uncredited content.
  • AI Detector: Helps identify text that has been generated or significantly refined by AI models.
  • AI Humanizer: Aims to make AI-generated outputs sound more natural and improve their fluency.
  • AI Chat: Assists with brainstorming, explaining concepts, and generating various content types like blog articles and emails.
  • Translator: Supports translation between 45 to 52 different languages.
  • Desktop App for macOS: Provides native application access for macOS users.

use cases

Who Should Use QuillBot?

QuillBot is primarily utilized by individuals seeking to enhance their writing quality, efficiency, and originality across various contexts. Its suite of tools is particularly beneficial for refining existing text rather than generating content from scratch, aligning with its philosophy of 'AI that writes with you, not for you.'

  • Students: For academic writing, including essays, reports, and research papers, to improve clarity, avoid repetition, and ensure proper citation and originality.
  • Academics: To refine research papers, journal articles, and proposals, ensuring formal tone, grammatical accuracy, and concise summarization of complex information.
  • Professionals: For business communication, such as emails, presentations, and reports, to enhance clarity, conciseness, and overall professional tone.
  • Content Creators: To refine blog posts, marketing copy, and social media content, improving readability, overcoming writer's block, and ensuring unique phrasing.
  • Writers: For improving overall writing style, fluency, and correcting grammatical errors across various genres, from creative writing to technical documentation.

pricing

QuillBot Pricing & Plans

QuillBot operates on a freemium model, offering a free tier with limited access to its core features and premium subscription plans for expanded functionality. The premium plans provide unlimited access to tools, increased word counts, and additional advanced features.

  • Free: Free (Includes limited access to the Paraphraser with a 125-word limit, Summarizer with a 1,200-word limit, and basic Grammar Checker functionality).
  • Premium (Monthly): $14.95/mo (Offers unlimited words in the Paraphraser, access to all 10 paraphraser modes, faster processing speed, advanced grammar checks, Plagiarism Checker, AI Detector, AI Humanizer, and full access to all other tools).
  • Premium (Annual): $89.95/yr (Billed annually, equivalent to approximately $7.49/month, providing the same comprehensive features as the monthly Premium plan at a reduced annual rate).

Similar Tools

QuillBot vs Competitors

QuillBot occupies a distinct position within the AI writing assistant market, primarily focusing on text refinement and enhancement. It competes with various tools that offer grammar checking, paraphrasing, and content generation, each with its own specialized strengths.

1
GrammarlyOn StorkCompare

Grammarly is widely recognized for its comprehensive grammar, spelling, and punctuation checks, along with advanced AI-powered suggestions for clarity, tone, and full-sentence rewrites.

While QuillBot excels in paraphrasing and summarizing, Grammarly's strength lies in its in-depth grammar and style suggestions, plagiarism detection, and tone adjustments, offering a more robust proofreading and writing enhancement experience. Both offer freemium models, but Grammarly's free version is more focused on basic grammar, while QuillBot's free tier provides limited access to its paraphrasing tool.

2
WordtuneOn StorkCompare

Wordtune specializes in AI-powered sentence rewriting and rephrasing, offering multiple ways to express the same idea with different tones and lengths.

Wordtune directly competes with QuillBot's core paraphrasing functionality, often providing more creative and context-aware rewriting suggestions. While QuillBot offers a broader suite of tools including grammar and plagiarism, Wordtune's primary focus is on enhancing sentence structure and tone, with basic grammar and spelling checks also included. Both operate on a freemium model with daily limits on the free tier.

3
ProWritingAidOn StorkCompare

ProWritingAid offers extensive writing analysis reports, going beyond grammar and style to provide in-depth feedback on elements like readability, pacing, and consistency, particularly appealing to long-form writers.

ProWritingAid provides a more detailed analytical approach to writing improvement compared to QuillBot, with a focus on comprehensive reports and a contextual thesaurus. While QuillBot's strength is quick paraphrasing and summarizing, ProWritingAid offers a robust grammar checker, style editor, and a rephrase tool, making it a strong alternative for those seeking deeper writing insights. ProWritingAid also offers a freemium model, with a lifetime purchase option for its premium plans, which is a unique offering compared to QuillBot's subscription-only premium.

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