QuillBot is an AI paraphrasing and writing tool offering seven rewrite modes, grammar checking, plagiarism detection, and summarization. QuillBot features unlimited paraphrasing on Premium, citation generator, and Co-Writer AI assistance starting at $8.33/month annually.

Key Features:

• Seven Paraphrase Modes - Unlimited on Premium (125 words on Free)


• Unlimited Word Paraphrasing - Premium removes all limits


• Grammar Checker - Advanced corrections beyond basic issues


• Plagiarism Checker - 20 pages/month on Premium


• Summarizer Tool - 1,200-word limit free, unlimited Premium


• Co-Writer - AI writing assistance and collaboration


• Citation Generator - Multiple academic formats


• 20+ Freeze Words - Premium feature to protect specific terms


• Fast Processing - Real-time rewriting speed


• 50 AI Prompts Daily - Free tier AI assistance

Pricing:

Free: $0 (125 words paraphrase, basic grammar, 50 AI prompts/day)

Monthly Premium: $19.95/month

Semi-Annual: $13.31/month ($39.95 every 3 months)

Annual Premium: $8.33/month ($99.95/year) - saves $139.45

Team: $5.83-7.50/user/month

100% money-back guarantee (3 days)

Platforms:

Web App, Chrome Extension, Word Add-in, macOS App

Alternatives:

Grammarly, Wordtune, ProWritingAid, Jasper AI, Copy.ai

Note: Acquired by Course Hero. Best annual savings at $8.33/month. Integrates with Microsoft Word and Google Docs. Designed for students, writers, and professionals.