QuillBot
AI paraphrasing, grammar checking and summarizing tools for writers
QuillBot is owned by Learneo, Inc., which lists it among its brands alongside Course Hero, CliffsNotes, Scribbr and LanguageTool.
What is QuillBot?
QuillBot offers AI writing tools that can be used for free, including a paraphraser, grammar checker, AI detector, AI humanizer, summarizer, citation generator and translator. Premium adds more paraphrasing modes, custom modes and higher word limits. Its owner, Learneo, says QuillBot also includes a prompt-to-design workflow.
Good for
- Rewording sentences in an email or report for clarity
- Summarizing long articles before a meeting
- Checking a draft's grammar and generating citations
Key features
- Paraphraser with 9 preset modes and custom modes (Premium)
- Grammar checker
- AI detector and AI humanizer
- Summarizer
- Citation generator and translator
- Chrome extension, Word extension, macOS, iPhone and Android apps
Limitations to know about
- Free Paraphraser offers only the Standard and Fluency modes
- Word limits per input are lower on the free plan than on Premium
QuillBot pricing
| Plan | Price | What you get |
|---|---|---|
| Free | $0 | Paraphraser with 2 modes; other writing tools with lower limits |
| Premium | $19.95/month billed monthly, $39.95 every 3 months, or $99.95/year ($8.33/month) | 9 preset paraphrasing modes, unlimited custom modes, higher word limits |
Free plan limits: Free access to the Paraphraser (Standard and Fluency modes, no limit on the number of paraphrases), Grammar Checker, AI Detector, AI Humanizer, Summarizer, Citation Generator and Translate, with lower word limits than Premium (exact limits not confirmed).
QuillBot alternatives
Grammarly
AI writing assistant for grammar, tone, rewrites and text generation
Wordtune
AI writing assistant for rewriting, summarizing and grammar checks
Rytr
AI writing assistant with templates, tones and a plagiarism checker
Jasper
AI platform with agents and brand controls for marketing content
Copy.ai
AI platform for sales and marketing teams to automate go-to-market work
Writer
Enterprise AI platform with agents, playbooks and brand style controls
Head to head: QuillBot vs Grammarly
Frequently asked questions
Is QuillBot free?
QuillBot has a free plan. Free access to the Paraphraser (Standard and Fluency modes, no limit on the number of paraphrases), Grammar Checker, AI Detector, AI Humanizer, Summarizer, Citation Generator and Translate, with lower word limits than Premium (exact limits not confirmed). Paid plans start at $8.33/mo billed annually.
How much does QuillBot cost?
QuillBot's cheapest paid plan, Premium, costs $19.95 a month billed monthly and $8.33 a month billed annually. $99.95 billed every 12 months; also $39.95 billed every 3 months ($13.31/month). Prices as published on QuillBot's pricing page on 23 September 2026.
What is QuillBot used for?
QuillBot offers AI writing tools that can be used for free, including a paraphraser, grammar checker, AI detector, AI humanizer, summarizer, citation generator and translator. People use it for rewording sentences in an email or report for clarity, summarizing long articles before a meeting and checking a draft's grammar and generating citations.
What are the alternatives to QuillBot?
Tools that do a similar job include Grammarly, Wordtune, Rytr, Jasper and Copy.ai. Each has its own page here with its plans, limits and prices.
Who makes QuillBot?
QuillBot is made by Learneo, Inc.. QuillBot is owned by Learneo, Inc., which lists it among its brands alongside Course Hero, CliffsNotes, Scribbr and LanguageTool.
Sources
Every fact on this page comes from Learneo, Inc.'s own pages, read on the dates shown.
- quillbot.com/blog/frequently-asked-questions/how-much-is-quillbot-premium/ (Premium pricing for each billing period) read 23 September 2026
- quillbot.com/blog/frequently-asked-questions/is-quillbot-free/ (free tools) read 23 September 2026
- quillbot.com/blog/quillbot-tools/quillbots-paraphraser-best-ai-paraphrasing-tool/ (free vs Premium paraphrasing modes, platforms (revised November 2025)) read 23 September 2026
- learneo.com/ (ownership (status), product description) read 23 September 2026