American Heritage Dictionary vs Duden-Mentor

American Heritage Dictionary plans

• Online dictionaryFree
• American Heritage Dictionary + for Android$49.99, paid once

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

Pick American Heritage Dictionary if…

It suits readers looking for a dictionary with pronunciation, usage guidance and word histories. Android users may also value its listed offline lookup and search tools.

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.