Wordtune vs QuillBot vs Grammarly

Written head to head: Grammarly vs QuillBot, with when to choose each side.

Compared on	Wordtune Free plan · from $4.89/mo VisitRemove	QuillBot Free plan · from $8.33/mo VisitRemove	Grammarly Free plan · from $12/member/mo VisitRemove
What it is	AI writing assistant for rewriting, summarizing and grammar checks	AI paraphrasing, grammar checking and summarizing tools for writers	AI writing assistant for grammar, tone, rewrites and text generation
Free plan	10 rewrites and AI suggestions per day, 3 AI summaries per month, unlimited spelling and grammar checks.	Paraphraser in Standard and Fluency modes, up to 125 words at a time; Summarizer up to 1,200 words; Grammar Checker, AI Detector, Citation Generator, Translate and the extensions; a limited number of AI Chat queries a day	Spelling, grammar and tone feedback, plus 100 AI prompts (the plans page does not state a period for the free prompts).
Cheapest paid plan	$4.89/mo billed annually (Advanced)Wordtune pricing	$8.33/mo billed annually (Premium)QuillBot pricing	$12/member/mo billed annually (Pro)Grammarly pricing
What it covers	30 rewrites and AI suggestions per day, 15 AI summaries per month.	$99.95 billed every 12 months; also $39.95 billed every 3 months ($13.31/month).	$144 per member per year on annual billing; quarterly option $60 per member every three months; 2,000 AI prompts per member per month.
Free trial	3-day free trial ('from the date of purchase')	None stated	7-day free trial of Pro
Platforms	Web, Chrome extension, iOS	Web, Chrome extension, macOS, iOS, Android	Windows, macOS, Chrome extension, iOS, Android
Integrations (vendor's figure)	Not stated	Not stated	Not stated
Open source	No	No	No
Good for	Rephrasing emails to sound clearer or more formal Summarizing long articles or videos before reading in full Checking spelling and grammar in everyday writing	Rewording sentences in an email or report for clarity Summarizing long articles before a meeting Checking a draft's grammar and generating citations	Proofreading emails and documents before sending Adjusting the tone of client messages Checking reports for plagiarism before publishing
Watch out for	Free plan allows 10 rewrites per day and 3 summaries per month Advanced plan caps rewrites at 30 per day and summaries at 15 per month No refunds; subscriptions can be cancelled before the next billing cycle	Free Paraphraser offers only the Standard and Fluency modes, up to 125 words at a time Plagiarism Checker is Premium-only, up to 25,000 words a month No free trial; refunds only where the law requires (14 days in the EEA and UK)	Free plan includes 100 AI prompts; Pro allows 2,000 per member per month Plagiarism and AI-text detection require Pro Unlimited prompts, BYOK encryption and custom roles are Enterprise-only
Made by	AI21 Labs	Learneo, Inc.	Superhuman Platform (company formerly named Grammarly)

Entry prices are the cheapest paid plan, as each vendor publishes it; “What it covers” says what that price is per (a user, a channel, a brand, a number of contacts). The sources are listed on each tool's page.

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