Duden-Mentor
8.4#6 in grammar checkersFrom €2.99 a monthFree planWebAPIExtensionmacOS
VisitDuden-Mentor vs Oxford Learner’s Dictionaries
Oxford Learner’s Dictionaries
8.0#2 in online dictionariesFrom $9.99 a yearFree planAndroidiOSWebAPI
VisitWhat both publish
| Fact | Duden-Mentor | Oxford Learner’s Dictionaries |
|---|---|---|
| Licence | The Firefox extension is marked All Rights Reserved, so the product is proprietary rather than open source. | The site and word-list PDFs are marked © Oxford University Press, indicating copyrighted proprietary content rather than an open-source licence. |
Duden-Mentor plans
- BasisFree
- Duden Pur€2.99 a month
- Pur€2.99 a month
- Premium€7.95 a month
- Premium Plus€9.95 a month
Oxford Learner’s Dictionaries plans
- Free siteFree
- Free 3-day trialFree
- Free online accessFree
- One-month access to OALD10 app$3.99 a month
- One-year access to OALD10 app$9.99 a year
- Four-years access to OALD10$29.99, paid once
Pick Duden-Mentor if…
It suits German writers who want spelling, grammar, punctuation and style suggestions, including those writing for Germany, Austria or Switzerland. Browser and Word users can use its listed extensions and add-in, subject to the stated version requirements.
Pick Oxford Learner’s Dictionaries if…
It suits advanced-level learners of British or American English, as well as learners seeking grammar practice or academic vocabulary references. Developers can use the API and its sandbox for dictionary data access.