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It's a split decision.
Choose QuillBot for paraphrasing-heavy work and a lower listed annual rate: Premium is $8.33/month billed annually, or $19.95 month-to-month. Choose Grammarly for proofreading, tone, and clarity across text boxes; Pro is €12/month, with annual pricing not published. Both have free plans, but QuillBot's free tier caps paraphrasing at 125 words and excludes plagiarism checking. Grammarly Free includes 100 AI prompts monthly. Neither source publishes learning-curve or support details, so those are not decision points here.
01Side by side
| QuillBot | Grammarly | |
|---|---|---|
| Starting price | $8.33/mo annually; $19.95 monthly | €12/mo; annual price not published |
| Free plan | Yes; 125-word paraphrase cap, no plagiarism checker | Yes; 100 AI prompts per month |
| Best for | Paraphrasing, humanizing, PDFs, and writing tools | Proofreading, tone, clarity, and in-app writing assistance |
| Core strength | Paraphraser plus grammar, AI, plagiarism, and PDF tools | Proofreading, tone, clarity, and Pro sentence rewrites |
| Learning curve | Not published | Not published |
| Integrations and data | Browsers, documents, apps; data terms not supplied | Zendesk, text boxes; data terms not supplied |
| Team/seat costs | $7.50, $6.66, or $5.83/seat/mo annually | Pro €12/member/mo; Enterprise custom pricing |
| Support | Details not published | Details not published |
QuillBot Choose QuillBot if
- Choose QuillBot if paraphrasing is central to your workflow.
- Choose QuillBot if you want PDF tools in the same suite.
- Choose QuillBot if you need published annual team-seat rates.
Grammarly Choose Grammarly if
- Choose Grammarly if proofreading, tone, and clarity are your priorities.
- Choose Grammarly if you want writing help inside text boxes.
- Choose Grammarly if 100 free monthly AI prompts are enough.
02Pricing compared
QuillBot Premium is listed at $8.33 per month with annual billing, $13.31 monthly when billed quarterly, or $19.95 month to month. Its free plan limits paraphrasing to 125 words and excludes plagiarism checking. Team pricing starts at $7.50 per seat monthly for 2–10 seats, with an annual commitment and two-seat minimum.
Grammarly Pro is listed at €12 per month; annual pricing is not published. It includes 2,000 AI prompts per member monthly, while Free includes 100. Grammarly also offers a free Pro trial, but the published pricing details don’t specify its length. The prices are in different currencies, so compare local totals before switching. For paraphrasing on a budget, QuillBot has the lower listed annual rate; Grammarly’s free plan offers more than basic proofreading through its monthly AI prompts.
03Features and depth
QuillBot is the more paraphrasing-focused option. Premium includes unlimited paraphrasing, nine predefined modes plus a Custom mode, and unlimited Freeze Words and Synonym Slider use. It also includes 6,000 words in the Summarizer and 25,000 words per month in the Plagiarism Checker. The broader suite lists grammar checking, AI detection, humanizing, chat, and PDF tools; Free has basic grammar corrections but no plagiarism access.
Grammarly centers on proofreading, tone, and clarity across the text boxes where you write, including apps such as Zendesk. Pro adds full-sentence rewrites, tone adjustment, plagiarism and AI-text detection, 2,000 AI prompts per member monthly, and limited style-guide settings: one style guide, one brand tone, and two user groups. Its homepage also lists a humanizer agent. Neither product’s detector or humanizer description establishes that text will pass another detector. A review of QuillBot cautions against relying on its humanizer to pass AI detectors.
04Ease of use and learning curve
Neither source publishes learning-curve data, so we wouldn’t call one easier based on evidence here. The products fit different writing workflows: QuillBot says it works across browsers, documents, and apps, with paraphrasing and PDF tools in its suite. Grammarly focuses on suggestions where you type, including text boxes in apps such as Zendesk.
If you mainly need to rework passages, QuillBot puts paraphrasing modes and controls at the center. If you want grammar, tone, and clarity suggestions across your writing, Grammarly is the closer fit. The published details don’t compare setup time, onboarding, or support quality, so those should not decide the switch without checking directly.
Questions people ask
Is there anything better than QuillBot?
That depends on the job. For proofreading, tone, and clarity across text boxes, Grammarly is a closer match. For frequent paraphrasing, QuillBot offers unlimited paraphrasing on Premium and a lower listed annual rate. The published information doesn’t establish an overall winner or compare every alternative.
Will Grammarly be flagged as AI in Turnitin?
The published information doesn’t say how Turnitin treats Grammarly-assisted writing, so we can’t promise it will or won’t be flagged. Grammarly lists an AI-text detection feature, but that does not establish how Turnitin will assess a particular document. Check your institution’s rules before submitting.
Does QuillBot is accurate?
The published details don’t include accuracy rates or independent testing, so we can’t give a measured accuracy verdict. QuillBot describes its paraphraser as preserving meaning, but that is not a guarantee for every rewrite. Review paraphrased text for changed claims, tone, and details before using it.
Is Grammarly even good anymore?
The published review calls Grammarly a good free proofreader, while judging Pro’s rewrites and prompts poor value for many casual writers. Free includes grammar help, tone feedback, and 100 AI prompts monthly. Whether Pro is worth €12 per month depends on whether you need its rewrites and other paid features.