Duden-Mentor vs Wordvice AI
Duden-Mentor
mentor.duden.de
Wordvice AI
wordvice.aiSide by side
| Figure | Duden-Mentor | Wordvice AI |
|---|---|---|
| Price from | €2.99/mo | $8.45/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| API | Yes | — |
| Plans published | 8 | 9 |
| Spec score · Grammar checkers | 9.4 (#1) | 9.3 (#4) |
| Browser extension | Yes | Yes |
| Company size | LinkedIn lists Duden in the 11–50 employee range and places its headquarters in Berlin. | LinkedIn lists Wordvice as a privately held writing-and-editing company with 51–200 employees. |
| Free plan | Yes | Yes |
| Integrations | The Word add-in supports Microsoft Word for macOS from version 2016 and Windows from version 2019. | Wordvice AI offers a Chrome extension and a Microsoft Word add-in; the add-in supports Word 2021 and newer, Microsoft 365, and Word Online on Windows and Mac. |
| Languages | The service checks German texts only. | The Microsoft marketplace listing says the paraphraser works in English and more than 47 other languages. |
| Rating on Chrome Web Store | 3.3 out of 5 from 75 ratings | 4.5 out of 5 from 11 ratings |
| Rating on Microsoft Marketplace | 2.2 out of 5 from 74 reviews | 4.0 out of 5 from 2 ratings |
| Rating on Trustpilot | 1.5 out of 5 from 45 reviews for the Duden profile | 4.8 out of 5 from 294 reviews |
| Security | The maker says texts are transmitted encrypted, are not used for AI training, and are deleted after checking. | The Proofreader FAQ states that submitted documents and text are secure and confidential and that the site uses advanced encryption standards. |
| Style suggestions | Yes | Yes |
| What it does | Duden-Mentor is an online German writing assistant for spelling, grammar, punctuation and expression. | Wordvice AI is an online writing assistant combining proofreading, paraphrasing, translation, summarization, plagiarism checking, AI detection, ChatPDF and citation tools. |
Plans
Duden-Mentor
- BasisFree
- BasisFree
- Duden Pur€2.99 a month
- Pur€2.99 a month
- Premium€7.95 a month
- Premium€7.95 a month
- Premium Plus€9.95 a month
- Premium Plus€9.95 a month
Wordvice AI
- BasicFree
- Premium$9.95 a month
- Premium PRO$26.95 a month
- Team Plan$9.95 a month
- Team Plan (50+ seats)$101.40 a year
- Team Plan (10–49 seats)$107.40 a year
- Premium$119.40 a year
- Team Plan (3–9 seats)$119.40 a year
- Premium PRO$323.40 a year
In their own words
Duden-Mentor
Duden-Mentor checks German text for spelling, grammar, punctuation, and style, then suggests corrections. It can flag filler words, repeated wording, and overly long sentences, with suggestions for readability. The service supports German variants for Germany, Austria, and Switzerland, but checks German only. Browser extensions are available for Chrome, Firefox, and Microsoft Edge, and the plug-in works in text fields on services including Gmail, Web.de, GMX.de, Trello, Facebook, and WordPress. A Microsoft Word add-in supports macOS from Word 2016 and Windows from Word 2019. An internet connection is required. Duden says text is encrypted in transit, not used for AI training, and deleted after checking. Basis is free and lists a 10-word personal dictionary and 500 characters without an account. Pur costs €2.99 a month, billed 35,88 € pro Jahr, with 10 test corrections or rewrites monthly. Premium costs €7.95 a month, billed 95,40 € pro Jahr, with 250 monthly text optimizations; Premium Plus costs €9.95 a month, billed 119,40 € pro Jahr, with unlimited optimizations. Paid plans are annually payable and annually cancellable.
Wordvice AI
Wordvice AI is an online writing tool for students and academic writers, with proofreading and grammar checking at its core. Its other tools cover paraphrasing, humanizing, translation, summarization, plagiarism checking, AI detection, rewriting, and document editing. The proofreader checks grammar, spelling, punctuation, and style, and can explain revisions with comments. Users can choose Light, Standard, Intensive, or Concise proofreading modes; Intensive and Concise are locked in the free interface. The Basic plan allows 5,000 words per month and up to 500 words per submission. Premium raises those limits to 1,000,000 words monthly and 20,000 per submission, with pricing from $9.95 a month billed annually. Wordvice AI runs on the web, macOS, Windows, and as an extension. It also offers a Microsoft Word add-in for Word 2021 and newer, Microsoft 365, and Word Online on Windows and Mac. Its Chrome extension translator supports 47 languages. Team plans add shared Premium access, member management, centralized billing, and owner, admin, and member roles. Human editing by professional editors is also available after AI proofreading.