QuillbotvsWordtune
Two writing assistant tools, the same questions. Every answer comes from the official pages, with the date we checked. Nothing here is ranked.
last check 2026-10-11
Quillbot
by Learneo, Inc.
Set of AI writing tools built around a paraphraser, with grammar checking, humanizing, AI detection, plagiarism checks, summaries and chat.
All Quillbot factsWordtune
by AI21 Labs
Rewrites English sentences and paragraphs in another tone or length and summarizes documents, in a web editor, browser extension and iOS app.
All Wordtune factsWhere they differ
- PlatformsQuillbot: Web, Desktop app, Mobile appWordtune: Web, Mobile app
- Free plan limitsQuillbot: Paraphrasing up to 125 words in 2 modes, summaries up to 1,200 words, 20 AI Chat queries a day.Wordtune: 10 rewrites and AI suggestions a day and 3 AI summaries a month; spelling and grammar checks unlimited.
- Used to train AIQuillbot: Individual accounts: inputs are used for training and personalization by default., Team Plan: text inputs are not used for training.Wordtune: By default the terms let Wordtune store and use your text to improve its algorithms.
- LanguagesQuillbot: Grammar checks in English, German, Spanish and French.Wordtune: Output in English; paraphrasing accepts Spanish, Mandarin, Arabic, Hindi, Korean, Hebrew, Russian, German, French or Portuguese input.
- Works inQuillbot: Browser extension, Microsoft WordWordtune: Browser extension, Google Docs
Same answer, but for different plans or with different conditions: writes new text. The table below shows the conditions.
Confirmed for only one of the two so far: plagiarism check. The table below shows which.
Same answer for both: free plan, grammar and spelling, rewrite and change tone.
Plans and prices
As listed on each official pricing page, in the currency we were shown. No conversion, no rounding.
Quillbot
- Free Free plan$0.00 / month
- Premium Paid, individualPrice not confirmed
- Team TeamPrice not confirmed
Wordtune
- Basic Free plan$0.00 / month
- Advanced Paid, individual$6.99 / month, billed annually
- Unlimited Paid, individual$9.99 / month, billed annually
Full comparison with sources
| Writing assistant | ||
| What it is for | ||
| What it is for | Set of AI writing tools built around a paraphraser, with grammar checking, humanizing, AI detection, plagiarism checks, summaries and chat. | Rewrites English sentences and paragraphs in another tone or length and summarizes documents, in a web editor, browser extension and iOS app. |
| Good for | ||
| Editor's suggestion | No editor suggestion yet | No editor suggestion yet |
| Cost | ||
| Free planA free plan that is not time-limited. Trials are listed separately. |
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| Plans and pricesOriginal currency and billing period. No conversion. |
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| Input and output | ||
| LanguagesLanguages it transcribes or speaks, as stated. |
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| Grammar and spellingMarks grammar, spelling and punctuation mistakes and suggests fixes. |
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| Rewrite and change toneRewrites a sentence or paragraph, for example shorter, more formal or friendlier. |
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| Writes new textDrafts new text from a short instruction, not only fixes what you wrote. |
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| Checking facts | ||
| Plagiarism checkCompares your text with published sources and shows matches. |
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| Workflow | ||
| PlatformsWhere the product is offered: web, desktop app, mobile app, or editor extension. |
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| Works inApps and places it works in, such as a browser extension, Word or Google Docs, as officially listed. |
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| Sources and confidence | ||
| Confidence | Last checked 2026-10-11 All compared fields have a confirmed value. | Last checked 2026-10-11 Not yet confirmed: Plagiarism check |
What it is for
What it is for
Quillbot:
Set of AI writing tools built around a paraphraser, with grammar checking, humanizing, AI detection, plagiarism checks, summaries and chat.
Wordtune:
Rewrites English sentences and paragraphs in another tone or length and summarizes documents, in a web editor, browser extension and iOS app.
Editor's suggestion
Quillbot:
No editor suggestion yetWordtune:
No editor suggestion yetCost
Free plan
A free plan that is not time-limited. Trials are listed separately.
Quillbot:
- Supportedhelp.quillbot.comchecked 2026-10-11
Free plan
Wordtune:
- Supportedwordtune.comchecked 2026-10-11
Basic plan
Plans and prices
Quillbot:
- Free (Free plan)$0.00 / month
- Premium (Paid, individual)Price not confirmed
- Team (Team)Price not confirmed
- All plan details and sources
Wordtune:
- Basic (Free plan)$0.00 / month
- Advanced (Paid, individual)$6.99 / month, billed annually
- Unlimited (Paid, individual)$9.99 / month, billed annually
- All plan details and sources
Input and output
Languages
Languages it transcribes or speaks, as stated.
Quillbot:
- Grammar checks in English, German, Spanish and French.help.quillbot.comchecked 2026-10-11
Wordtune:
- Output in English; paraphrasing accepts Spanish, Mandarin, Arabic, Hindi, Korean, Hebrew, Russian, German, French or Portuguese input.support.wordtune.comchecked 2026-10-11
Grammar and spelling
Marks grammar, spelling and punctuation mistakes and suggests fixes.
Quillbot:
- Supportedquillbot.comchecked 2026-10-11
Plan not specified
Wordtune:
- Supportedwordtune.comchecked 2026-10-11
Plan not specified
Rewrite and change tone
Rewrites a sentence or paragraph, for example shorter, more formal or friendlier.
Quillbot:
- Supportedhelp.quillbot.comchecked 2026-10-11
Plan not specified
Wordtune:
- Supportedwordtune.comchecked 2026-10-11
Plan not specified
Writes new text
Drafts new text from a short instruction, not only fixes what you wrote.
Quillbot:
- Supportedquillbot.comchecked 2026-10-11
Plan not specified
Wordtune:
- Supportedsupport.wordtune.comchecked 2026-10-11
Plans: Advanced, Unlimited
Checking facts
Plagiarism check
Compares your text with published sources and shows matches.
Quillbot:
- Supportedhelp.quillbot.comchecked 2026-10-11
Plans: Premium, Team
Wordtune:
- Not yet confirmed
Workflow
Platforms
Where the product is offered: web, desktop app, mobile app, or editor extension.
Quillbot:
- Web, Desktop app, Mobile apphelp.quillbot.com +1checked 2026-10-11
Wordtune:
- Web, Mobile appsupport.wordtune.comchecked 2026-10-11
Works in
Apps and places it works in, such as a browser extension, Word or Google Docs, as officially listed.
Quillbot:
- Browser extension, Microsoft Wordquillbot.comchecked 2026-10-11
Wordtune:
- Browser extension, Google Docssupport.wordtune.comchecked 2026-10-11
Sources and confidence
Confidence
Quillbot:
Last checked 2026-10-11
All compared fields have a confirmed value.
Wordtune:
Last checked 2026-10-11
Not yet confirmed: Plagiarism check