Core strength
Grammarly:
Grammar, spelling, punctuation, clarity, tone, plagiarism
QuillBot:
Paraphrasing, summarizing, citation generation, translation
Grammarly
QuillBot
Grammarly vs QuillBot: AI Writing Assistants Compared
Compare Grammarly and QuillBot for grammar checking, paraphrasing, tone adjustment, and writing improvement.
Grammarly is a comprehensive writing assistant focused on correctness, clarity, and tone across all writing contexts. QuillBot specializes in paraphrasing and rewriting with a suite of focused writing tools. Choose Grammarly for all-around writing improvement; choose QuillBot for paraphrasing and rewriting tasks.
Head-to-Head Comparison
Grammar checking
Grammarly:
Industry-leading with detailed explanations
QuillBot:
Good grammar checking as part of the suite
Paraphrasing
Grammarly:
Basic rewriting suggestions within the editor
QuillBot:
Excellent: 7+ paraphrasing modes (Standard, Fluency, Creative, etc.)
Integration
Grammarly:
Browser extension, desktop app, Office, Google Docs, everywhere
QuillBot:
Browser extension, web app, Google Docs, Word
AI features
Grammarly:
Generative AI writing, tone detection, strategic suggestions
QuillBot:
AI paraphrasing, summarizer, citation generator
Pricing
Grammarly:
Free tier; Premium ~$12/mo; Business ~$15/mo
QuillBot:
Free tier; Premium ~$10/mo
Grammarly is the better all-around writing assistant — use it if you want comprehensive writing support across all your apps. QuillBot is the specialist — use it when your primary need is paraphrasing, rewriting, or academic writing support. Many writers use Grammarly for editing and QuillBot for rewriting.
FAQ
Common questions when comparing these tools.
Can QuillBot replace Grammarly?
QuillBot can partially replace Grammarly for users who primarily need paraphrasing. However, Grammarly's grammar checking and tone detection are more comprehensive. Many users keep both: Grammarly for daily writing, QuillBot for rewriting tasks.
Which is better for academic writing?
QuillBot's paraphrasing and citation tools are very useful for academic writing. Grammarly's grammar checking and plagiarism detection are also valuable. Many students use both: QuillBot for paraphrasing sources, Grammarly for final polish.
Is Grammarly's AI writing feature worth it?
Grammarly's generative AI can draft emails, rewrite paragraphs, and brainstorm ideas. For users who write frequently, it saves time. For occasional writers, the free grammar checking may be sufficient.
Does QuillBot check grammar as well as Grammarly?
QuillBot's grammar checker is good but not as comprehensive as Grammarly's. Grammarly catches more types of errors and provides more detailed explanations. For serious grammar checking, Grammarly is the better choice.
Can these tools help non-native English speakers?
Yes, both are excellent for non-native speakers. Grammarly helps with correctness and natural phrasing. QuillBot helps with rewriting to sound more fluent and natural. Together they provide strong writing support for English learners.
Which works better with Google Docs?
Both work with Google Docs. Grammarly's integration is more mature and reliable. QuillBot's Google Docs extension works well for paraphrasing within documents.
Are these tools allowed in academic settings?
Policies vary by institution. Grammar checking is usually acceptable. AI paraphrasing and rewriting may be restricted for assessed work. Check your institution's academic integrity policy before using AI writing tools on graded assignments.
How do these compare to ChatGPT for writing?
ChatGPT is more flexible for creative and long-form writing. Grammarly and QuillBot are specialized tools that integrate into your existing writing workflow (browser, docs, email). Use ChatGPT for drafting from scratch, Grammarly/QuillBot for polishing within your workflow.
Explore each tool
Visit the individual tool pages for detailed features, pricing, and alternatives.