Best for
Best for writers and teams working in several languages who want the same checker inside their browser, office suite and mail client.
- Freelancers
- Small and mid-sized
- Enterprise
AI Writing Comparison
LanguageTool vs. Wordtune
At a glance
At a glance
Best for
Best for writers and professionals who want quick sentence rewrites and tone control.
- Freelancers
- Small and mid-sized
Cataleo does not name a winner. Both statements come from the vendors themselves.
Full Comparison
| Criterion | LanguageTool | Wordtune |
|---|---|---|
| Starting price | Free tier Premium is billed monthly, quarterly, annually or for two years; Teams is priced per user for 2 to 1,000 or more users. | Free tier; Advanced from $6.99 / month Advanced is $4.89 per month billed annually; Unlimited is $9.99 per month, or $6.99 billed annually. |
| Free trial | Free tier | Free tier with 10 rewrites per day; 3-day trial on paid plans |
| Commercial use | Not stated | Yes |
| Output | Spelling, grammar, punctuation and style corrections, plus AI paraphrased sentences | Rewritten sentences, tone changes and summaries |
| API | Yes, the Proofreading HTTP API in monthly tiers from 100 to 10,000 requests, up to 60,000 characters per request | Yes, through AI21 Studio |
| Languages | More than 30 languages and dialects, with six English varieties | Smart Translate covers 10 languages into English |
| Hosting | Cloud (SaaS), API servers in Germany; the source code is published for self-hosting | Not stated |
| Content types | Checks and rewrites text the writer has already started rather than generating a content format; Premium raises the limit to 150,000 characters per text field, which covers blog articles, letters and long e-mails | Rewrites of existing text, summaries of documents, articles, webpages and YouTube videos, plus generated passages and emails |
| Brand voice | Yes, a Style Guide of custom rules for consistent wording, and a shared Team Style Guide plus a Team Dictionary of technical terms on the Teams plan | No stored voice profile. Tone is chosen per rewrite, casual or formal |
| Content scoring | No content or readability score. The editor's Statistics view tracks writing activity over time, the languages used, the errors made and the suggestions applied, which measures the writer's habits rather than rating a piece of text | No score. Suggestions are offered as alternative sentences to pick from |
| Drafting tools | Yes, an AI paraphrasing tool that rewrites a sentence to be more formal, more fluid or shorter, uncapped on Premium | Yes, rewrite suggestions with casual and formal tone, Spices prompts (elaborate, counterargument, explain, conclusion), spelling and grammar check, synonym generator, Smart Translate and a Humanize AI pass |
| Templates | No content templates. LanguageTool corrects and rephrases text the writer brings to it; the only things reusable across documents are the personal dictionary and the Style Guide rules | No template library |
| Team workflows | Yes, the Teams plan adds e-mail invitations, user management, a shared style guide and a shared dictionary for 2 to 1,000 or more users | Wordtune Business for teams, with SAML SSO, centralized billing and business support |
| Deployment | Cloud (SaaS), Browser-based | Cloud (SaaS), Browser-based |
| Support | Not stated | Chat |
| Onboarding | Documentation and knowledge base | Documentation and knowledge base |
| Company size | more entries Freelancers, Small and mid-sized, Enterprise | Freelancers, Small and mid-sized |
| Integrations | more entries Chrome, Microsoft Edge, Mozilla Firefox, Opera, Google Docs, Microsoft Word, Apple Pages, LibreOffice, Gmail, Outlook, Apple Mail, Thunderbird, macOS, Windows | Google Docs, Gmail, Outlook, LinkedIn, Microsoft Word |
Add a tool
Adds a column to the table, from the tools in this category.
Row where the values differ The small markers point at the lower number, the longer list or the stated feature. They describe the data, they are not a verdict.
The short version
Key Differences
- Starting price LanguageTool Free tier Wordtune Free tier; Advanced from $6.99 / month
- Free trial LanguageTool Free tier Wordtune Free tier with 10 rewrites per day; 3-day trial on paid plans
- Company size LanguageTool Freelancers, Small and mid-sized, Enterprise Wordtune Freelancers, Small and mid-sized
- Languages LanguageTool More than 30 languages and dialects, with six English varieties Wordtune Smart Translate covers 10 languages into English
- Output LanguageTool Spelling, grammar, punctuation and style corrections, plus AI paraphrased sentences Wordtune Rewritten sentences, tone changes and summaries
Every line is one datapoint from the table above, picked automatically. Nothing here is written text.
The trade-offs
Strengths and Limitations
LanguageTool
Strengths
- More than 30 languages and dialects in one checker
- Add-ons for browsers, Google Docs, Word, Apple Pages, LibreOffice, four mail clients and desktop apps
- Proofreading HTTP API served from Germany, with no storage of submitted text
- Source code published, so the checker can be run on your own server
Limitations
- The free tier caps the length of a single text field
- The extra Premium checks cover seven languages, not all thirty
- No editor of its own; the checker lives in add-ons and plugins
Wordtune
Strengths
- Fast sentence rewrites with multiple tones
- Free tier for light daily use
- Summarizer for articles and documents
- Works inside Google Docs, Gmail, Outlook, LinkedIn and Word
Limitations
- Free tier limits rewrites to 10 per day
- Narrower feature set than full writing platforms
- Smart Translate only translates into English
Plans
Pricing
LanguageTool
- Free $0 Basic spelling, grammar and punctuation checking with a limit on the length of a single text field.
- Premium Not stated More than 20,000 additional checks, up to 150,000 characters per text field, unlimited AI paraphrasing and a Style Guide. Billed monthly, quarterly, annually or for two years.
- Teams Not stated All Premium features plus user management, a Team Style Guide and a Team Dictionary, priced per user for 2 to 1,000 or more users.
Wordtune
- Basic $0 10 rewrites per day, 3 summaries per month.
- Advanced $6.99 Per month, or $4.89 billed annually. 30 rewrites per day.
- Unlimited $9.99 Per month, or $6.99 billed annually. Unlimited use.
- Business Not stated For teams, with SAML SSO and centralized billing. Price not published.
What users say
Review Scores · opens after launch
LanguageTool
- Ease of use
- Not rated yet
- User interface
- Not rated yet
- Onboarding
- Not rated yet
- Support and service
- Not rated yet
- Value for money
- Not rated yet
- Features
- Not rated yet
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
Wordtune
- Ease of use
- Not rated yet
- User interface
- Not rated yet
- Onboarding
- Not rated yet
- Support and service
- Not rated yet
- Value for money
- Not rated yet
- Features
- Not rated yet
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
Where this comes from
Where this comes from
LanguageTool https://languagetool.org · checked against the official source on 2026-09-09
Wordtune https://www.wordtune.com · no check date recorded yet
This table lists factual criteria taken from information the vendors publish themselves. For how we put it together, see the methodology.