What is QuillBot
QuillBot is a writing toolkit for paraphrasing, grammar correction, translation, citation creation, plagiarism checks, AI-content detection and text humanisation, available on the web and through browser, desktop, mobile and Microsoft Word integrations.
Free and Premium
As of August 7, 2026, Free costs US$0. It paraphrases up to 125 words at a time in Standard and Fluency modes, provides Chrome and Edge extensions, and offers limited refining and humanisation use.
Premium costs US$8.33 per month when billed annually. It removes the paraphrasing word limit, unlocks nine modes plus custom modes and history, supports paraphrasing in 23 languages and translation in more than 40, provides 25,000 plagiarism-check words each month, and adds advanced writing suggestions, tone insights, grammar correction in six languages, citations, unlimited AI detection and humanisation, and the full integration set.
Billing and teams
QuillBot also offers monthly and quarterly Premium terms; their checkout prices can vary by region and currency. A Premium account can be used on up to ten devices at once and a subscription can be paused. Teams of five or more can receive volume pricing through QuillBot's team plan.
Official sources: QuillBot Premium plans and features, QuillBot pricing help.