What is the difference between Grammarly and QuillBot?

Grammarly focuses on Grammar and spell check and is freemium, while QuillBot specializes in Paraphrasing modes and is freemium. Both are AI Writing tools.

Is Grammarly or QuillBot better?

It depends on your needs. Grammarly excels at Works across all platforms, while QuillBot is known for Multiple paraphrasing modes. Compare their features above to decide which fits your workflow.

Grammarly vs QuillBot

AI Writing tools comparison · Updated 2026

Choosing between Grammarly and QuillBot? Both are popular AI Writing tools. Grammarly starts at Freemium and focuses on Grammar and spell check. QuillBot starts at Freemium and specializes in Paraphrasing modes. Here's a detailed side-by-side comparison to help you decide.

At a Glance

	Grammarly	QuillBot
Category	AI Writing	AI Writing
Pricing	freemium	freemium
Starting Price	Freemium	Freemium
Best For	grammar, writing-assistant, proofreading	paraphrasing, grammar, summarization
Features	6 listed	6 listed

Grammarly

AI writing assistant for grammar, clarity, tone, and style improvements.

AI Writing freemium

Visit Grammarly → Alternatives

QuillBot

AI paraphrasing tool with grammar checking and summarization features.

AI Writing freemium

Visit QuillBot → Alternatives

Feature Comparison

Grammarly	QuillBot
✓ Grammar and spell check	✓ Paraphrasing modes
✓ Tone detection	✓ Grammar checker
✓ Plagiarism checker	✓ Summarizer
✓ Style suggestions	✓ Citation generator
✓ Browser extension	✓ Translator
✓ Generative AI writing	✓ Plagiarism checker

Pricing Comparison

Grammarly

freemium

Free basic grammar checking. Premium $12/mo. Business $15/member/mo.

QuillBot

freemium

Free basic paraphrasing. Premium $9.95/mo or $49.95/yr.

Pros & Cons

Grammarly

Pros

+ Works across all platforms
+ Excellent grammar detection
+ Intuitive interface
+ Real-time suggestions

Cons

− Premium is expensive for individuals
− Occasional false positives
− Limited free tier features

QuillBot

Pros

+ Multiple paraphrasing modes
+ Good for academic writing
+ Affordable premium plan
+ Integrated citation tool

Cons

− Free tier is limited
− Can produce awkward phrasing
− Translation quality varies
− Limited creative writing support

The Verdict

Both Grammarly and QuillBot are strong AI Writing tools. Grammarly stands out for Works across all platforms, making it ideal if that's your priority. QuillBot excels at Multiple paraphrasing modes, which may be more important for your workflow.