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Grammarly vs QuillBot: free plans compared

Both are in AI Writing. Here is what each gives you for free, from the vendors’ pricing pages, with the date we last verified each offer (latest ).

Grammarly
Grammarly is an AI writing assistant that checks spelling and grammar and suggests clearer phrasing in apps and websites. It also offers tone detection and AI text generation.
How to get Grammarly freeFree Grammarly alternatives
QuillBot
QuillBot is a writing toolkit with a paraphraser, grammar checker, AI detector, humanizer, summarizer and more. It works on the web and through browser extensions.
How to get QuillBot freeFree QuillBot alternatives
Free plans compared: Grammarly, QuillBot
GrammarlyAI WritingTry
QuillBotAI WritingTry
Free plan
  • Free forever
  • 100 AI prompts
  • Free forever
  • Paraphrase up to 100 words
  • 2 paraphrasing modes
  • Humanize up to 100 words (limited usage)
How long it's freeFree foreverFree forever
Cheapest paid plan$12/moPro$8.33/mo, billed annuallyPremium
Best forWrite articles & copy, Chat with an AI assistant, Fix grammar & style, Paraphrase, rewrite & check AI textStudents, Professionals, WritersWrite articles & copy, Fix grammar & style, Paraphrase, rewrite & check AI text, Summarize documents & videos, Research scientific papersStudents, Writers
Limitations
  • Full-sentence rewrites, plagiarism and AI detection need Pro
  • Unlimited modes and full humanizing require Premium
How to get it freeFree account · email, Google or Apple
  1. 1Sign up with Google, Apple or email
  2. 2Install Grammarly and use the Free plan
Get the free plan
Free account · email, Google or Apple
  1. 1Sign up with Google, Apple, Facebook or email
  2. 2Use the free Paraphraser (100 words, 2 modes)
Get the free plan
Free offer verified

Grammarly vs QuillBot: common questions

Is Grammarly or QuillBot free?
Both have a free option. Grammarly has a free plan: Free plan at $0/month (checked 2026-10-18). QuillBot has a free plan: Paraphrase up to 100 words, 2 modes (checked 2026-10-18).
Which free plan includes more?
It depends on what you need; here is what each free plan includes. Grammarly: 100 AI prompts (source: grammarly.com, checked 2026-10-18). QuillBot: Paraphrase up to 100 words; 2 paraphrasing modes; Humanize up to 100 words (limited usage) (source: quillbot.com, checked 2026-10-18).
How do I get each for free?
Grammarly: Sign up with Google, Apple or email; Install Grammarly and use the Free plan (checked 2026-10-18). QuillBot: Sign up with Google, Apple, Facebook or email; Use the free Paraphraser (100 words, 2 modes) (checked 2026-10-18).