Merriam-Webster Dictionary vs PONS Dictionary

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.

PONS Dictionary is an online lookup and translation service for single words, common word combinations, and phrases; it does not search complete sentences or texts. PONS Translate provides access to 44 PONS dictionaries in 36 languages. Entries can include grammatical, stylistic, and contextual notes, and the site offers verb tables for many languages. Users can play word pronunciations, with regional variants available in some languages. The Android and iOS app can download dictionaries for offline use; in-app purchases offer dictionaries and ad-free use. The free online dictionary is ad-supported, while the paid PONS Pur subscription removes ads and video banners apart from PONS products. Words can be added directly to a selected lesson in the PONS Vocabulary Trainer. For websites and apps, the API includes a free allowance of 1,000 reference queries monthly and can cover over 12 million headwords and phrases across 13 languages and more than 34 language combinations. PONS says text submitted for machine translation and the resulting translation are temporarily stored to improve product quality.