Duden-Mentor vs Trinka
Duden-Mentor
mentor.duden.deTrinka
trinka.aiSide by side
| Figure | Duden-Mentor | Trinka |
|---|---|---|
| Price from | €2.99/mo | $6.67/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 8 | 7 |
| Spec score · Grammar checkers | 9.4 (#1) | 9.1 (#11) |
| Browser extension | Yes | Yes |
| Desktop app | No | Yes |
| Free plan | Yes | Yes |
| Integrations | The Word add-in supports Microsoft Word for macOS from version 2016 and Windows from version 2019. | The browser plugin supports writing in Google Docs, Authorea, Evernote, and Medium. |
| Languages | The service checks German texts only. | Trinka Cloud provides English grammar checking and Spanish grammar checking with automatic language detection. |
| Maker | Duden is a brand of the Cornelsen Group. | Trinka is powered by Enago, is part of Crimson Interactive Group, and its About page says Crimson Interactive was founded in 2005. |
| Purpose | Duden-Mentor checks German text for spelling, grammar, punctuation and style and suggests corrections. | Trinka is an AI grammar correction and language enhancement assistant designed for academic and technical writing. |
| Security | The maker says texts are transmitted encrypted, are not used for AI training, and are deleted after checking. | Trinka says user data is encrypted in transit and at rest and is not sold, monetized, or shared with third parties. |
| Style suggestions | Yes | Yes |
| Support | The FAQ says Duden customer service can provide personal help if its answers do not resolve a question. | The pricing page directs users seeking assistance to Trinka Support at [email protected]. |
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
Trinka
- Premium$20 a month
- Premium$80 a year
- Confidential Data$300 a year
- BasicFree
- Confidential Data$300 a year
- PremiumPrice not published
- Premium PlusPrice not published
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.
Trinka
Trinka is an AI grammar correction and language enhancement assistant for academic and technical writing. It checks grammar, suggests paraphrases, reviews consistency and can proofread uploaded MS Word documents for download. Other tools include AI-assisted writing, citation features, plagiarism checks and a journal finder. Trinka Cloud checks English and Spanish grammar and detects the language automatically. Its browser plugin supports writing in Google Docs, Authorea, Evernote and Medium; listed platform options also include web, API, desktop and self-hosted access. Institution plans list LMS and SSO integrations such as Canvas, Moodle, Blackboard and D2L. The free Basic plan does not expire, but monthly usage limits apply. Premium costs $20 a month, billed monthly, and includes up to 120 proofread files per year and 25 AI writing requests per month. Confidential Data costs $300 a year with annual billing. Trinka says user data is encrypted in transit and at rest. Its Trust Center says paid-plan data is not used to train AI models and Confidential Data Plan data is deleted after processing.