LanguageToolvsWordtune
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
LanguageTool
by LanguageTooler GmbH
Grammar, spelling and style checker for over 30 languages, with an AI paraphraser, in a web editor, desktop and iOS apps, and add-ons.
All LanguageTool 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
- PlatformsLanguageTool: Web, Desktop app, Mobile appWordtune: Web, Mobile app
- Free plan limitsLanguageTool: 2,000 characters per text field, 3 AI sentence rephrasings a day, Picky Mode limited.Wordtune: 10 rewrites and AI suggestions a day and 3 AI summaries a month; spelling and grammar checks unlimited.
- Used to train AILanguageTool: Not used: inputs from Individual and Team Plan users are not used to train models; no opt-out needed.Wordtune: By default the terms let Wordtune store and use your text to improve its algorithms.
- LanguagesLanguageTool: Over 30 languages and variants, including English, German, Portuguese, Spanish, French and Dutch.Wordtune: Output in English; paraphrasing accepts Spanish, Mandarin, Arabic, Hindi, Korean, Hebrew, Russian, German, French or Portuguese input.
- Works inLanguageTool: Browser extension, Microsoft Word, LibreOffice, Google Docs, Gmail, Apple Mail, ThunderbirdWordtune: Browser extension, Google Docs
Confirmed for only one of the two so far: writes new text. 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.
LanguageTool
- 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 | Grammar, spelling and style checker for over 30 languages, with an AI paraphraser, in a web editor, desktop and iOS apps, and add-ons. | 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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| 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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| Not yet confirmed | ||
| Plagiarism checkCompares your text with published sources and shows matches. |
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| Sources and confidence | ||
| Confidence | Last checked 2026-10-11 Not yet confirmed: Writes new text, Plagiarism check | Last checked 2026-10-11 Not yet confirmed: Plagiarism check |
What it is for
What it is for
LanguageTool:
Grammar, spelling and style checker for over 30 languages, with an AI paraphraser, in a web editor, desktop and iOS apps, and add-ons.
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
LanguageTool:
No editor suggestion yetWordtune:
No editor suggestion yetCost
Free plan
A free plan that is not time-limited. Trials are listed separately.
LanguageTool:
- Supportedhelp.languagetool.orgchecked 2026-10-11
Free plan
Wordtune:
- Supportedwordtune.comchecked 2026-10-11
Basic plan
Plans and prices
LanguageTool:
- 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.
LanguageTool:
- Over 30 languages and variants, including English, German, Portuguese, Spanish, French and Dutch.languagetool.orgchecked 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.
LanguageTool:
- Supportedlanguagetool.orgchecked 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.
LanguageTool:
- Supportedlanguagetool.orgchecked 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.
LanguageTool:
- Not yet confirmed
Wordtune:
- Supportedsupport.wordtune.comchecked 2026-10-11
Plans: Advanced, Unlimited
Workflow
Platforms
Where the product is offered: web, desktop app, mobile app, or editor extension.
LanguageTool:
- Web, Desktop app, Mobile apphelp.languagetool.org +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.
LanguageTool:
- Browser extension, Microsoft Word, LibreOffice, Google Docs, Gmail, Apple Mail, Thunderbirdhelp.languagetool.org +1checked 2026-10-11
Plans: Premium, Team
Wordtune:
- Browser extension, Google Docssupport.wordtune.comchecked 2026-10-11
Not yet confirmed
Plagiarism check
Compares your text with published sources and shows matches.
LanguageTool:
- Not yet confirmed
Wordtune:
- Not yet confirmed
Sources and confidence
Confidence
LanguageTool:
Last checked 2026-10-11
Not yet confirmed: Writes new text, Plagiarism check
Wordtune:
Last checked 2026-10-11
Not yet confirmed: Plagiarism check