Merriam-Webster Dictionary vs Treccani

Merriam-Webster Dictionary is an online reference and mobile dictionary and thesaurus for word lookup and vocabulary building. Its regularly updated online dictionary includes new entries and revised definitions. The iOS and Android app provides offline access to definitions and synonyms, voice search, audio pronunciations, usage examples, quizzes, favorite words and search history. The website adds Word of the Day, grammar and usage guidance, wordplay, games, quizzes and a thesaurus. Medical, Legal and Kids dictionaries are available through an in-app purchase. Developers can use the Dictionary API for definitions, etymologies, pronunciations, synonyms, antonyms and specialized medical, Spanish, ESL and student-friendly vocabulary. Non-commercial API use is free up to 1,000 queries per day per key and limited to two reference APIs; commercial terms are handled case by case. The app is free with ads. Listed iOS purchases include Premium Monthly at $1.79 a month, Remove Ads at $2.99, paid once, All References + Remove Ads at $5.99, paid once, and Premium Annual at $9.99 a year.

Treccani is a reference portal and app with an online encyclopedia, vocabulary, synonyms, a biographical dictionary, a magazine, and Galassia Treccani. Readers can access encyclopedia entries on the web, Android, and iOS; the app also offers a daily word and articles about Italian language, geopolitics, science, and society. The online Dizionario Biografico contains more than 40,000 biographies of people who contributed to Italian history across several fields. Treccani’s Institute describes its mission as compiling, updating, publishing, and disseminating the Enciclopedia Italiana and related works for culture, education, research, and social service. Browsing the portal without ads across devices is available through Zero pubblicità, which must be activated in the app. Its subscription page advertises up to six months free, with duration selected in the app; no price is listed. A personal profile requires registration or sign-in. Treccani identifies its Institute as data controller and says personal data is processed under GDPR, with possible transfers outside the EU under adequacy decisions or appropriate safeguards.