Trial
QuillBot
Quick facts
- Pricing model
- Trial
- Minimum price
- from €8.33/month
- Free access
- Trial access
- Regional payment options
- Pay directly on the website
- Service status
- Online, checked
- User rating
Developer and reliability
Information about the developer and the service's terms. This is a factual reference, not a quality assessment or a guarantee of safety.
- Legal entity
- Learneo, Inc.
- Legal entity's country
- United States
- Service launch
- December 2017
- Domain registered
- December 21, 2017
- The domain registration date is not the service's launch date.
Change and verification history
Tracking pricing and information updates
- Information verified
- Strengths updated
- Limitations updated
- Assessment updated
Editorial assessment
QuillBot does not try to replace the writer—it functions as a surgical workbench for people who already have raw ideas on paper and need to refine them. We rated it a Good specialized service because it handles sentence-level remodeling far more predictably than generic generative chat interfaces.
The real utility lies in granular control: being able to adjust the Synonym Slider and protect crucial definitions with Freeze Words prevents scientific and technical drafts from turning into gibberish. Furthermore, having native plugins inside Microsoft Word and browsers saves immense amounts of copy-paste friction.
However, it has hard operational limits. Push the rewriting engine into extreme creativity or synonym density, and it quickly generates bloated, robotic word salad. Additionally, the recurring limits on plagiarism checks and the absence of any developer API restrict its utility strictly to personal desktop workflows.
- Functionality Good
- Price and value Good
- Ease of use Good
- Reliability and support Average
- Innovation Average
User reviews
Reviews are collected from public sources and translated into the page's language.
About the tool
QuillBot is not a ghostwriter built to generate essays out of thin air while you sit back—it is a specialized digital editor designed to dissect and reconstruct text you have already drafted. Built on fine-tuned transformer architectures, the platform focuses on syntax manipulation, vocabulary tuning, and structural cleanup rather than open-ended text generation.
At its core is a modular writing toolset:
- Adaptive Paraphraser: Offers distinct rewriting modes including Fluency, Academic, Formal, Expand, and Shorten. You can dictate how aggressively words are swapped via the Synonym Slider or protect specialized technical vocabulary, brand names, and formulas using Freeze Words.
- QuillBot Flow: A unified document editor integrating web search, note-taking, automated summarizing, and inline rewriting into a single screen.
- Academic Utilities: Features an automated Citation Generator supporting APA, MLA, Chicago, and Harvard styling, alongside a multi-database Plagiarism Checker and a real-time Grammar Checker.
- Deep Ecosystem Integration: Operates as a browser SaaS, desktop apps for macOS and Windows, mobile apps and virtual keyboards for iOS and Android, and add-ins for Microsoft Word and major browsers.
How it helps you
Accelerates text polishing and academic referencing for students, researchers, and ESL writers. It helps non-native English speakers eliminate awkward phrasings, assists researchers in condensing literature and formatting citations correctly, and lets copywriters churn out varied marketing angles without manual thesaurus searching.
Pricing
Prices are based on the provider's information and may change.
Pros
- Precise paraphrasing control using the Synonym Slider and Freeze Words to lock in critical terminology
- Extensive cross-platform ecosystem with Microsoft Word add-ins, browser extensions, desktop apps, and mobile keyboards
- Automated citation generator with support for core academic standards like APA, MLA, Harvard, and Chicago
- Unified QuillBot Flow editor that merges source research, notes, and text polishing in one workspace
- Highly reliable Fluency mode for instantly smoothing out non-native phrasing and grammatical awkwardness
Cons
- High synonym substitution levels frequently produce unnatural phrasing and bizarre lexical choices
- Strict batch processing limits on word counts and monthly page caps for plagiarism scans
- Built-in AI content detection feature remains unreliable with frequent false results
- No official public B2B or B2C developer API available for system integrations
Frequently asked questions
Can institutional anti-plagiarism tools detect text rewritten by QuillBot?
Yes. While QuillBot restructures sentences and substitutes words, the resulting output often retains predictable statistical n-gram patterns that institutional detection systems can identify as machine-assisted editing.
What does the Freeze Words feature do?
Freeze Words allows you to specify exact terms, brand names, acronyms, or formulas that the paraphraser must leave completely untouched during sentence restructuring.
Does QuillBot offer an official API for integration?
No. QuillBot does not provide an official public B2B or B2C API or webhooks. The platform can only be accessed through its web application, browser extensions, desktop clients, mobile apps, and Microsoft Word add-in.
What are the core differences between Free and Premium plans?
The Free plan provides basic paraphrasing with strict word-count limits per run. The Premium tier (8.33 EUR/month) unlocks full access to all rewriting modes, removes word limits in the paraphraser, speeds up processing, and includes page allowances for the plagiarism scanner.