Cardinal makes it easy to build custom decks with millions of words and phrases from the largest open source language databases in the world.
Cardinal was designed to give you every tool you need to memorize a language in one app. Lookup any word or phrase or select from our extensive frequency lists. Easily add your selections to your flashcard decks.
Additionally, freely build your own custom phrase flashcards with our phrase builder or listen to your phrase cards like your own personal podcast.
Cardinal's elegant and comprehensive dictionary contains millions of entries sourced from Wiktionary in a beautifully formatted layout.
Includes both vocabulary training flashcards and phrase training flashcards.
Home widgets for English Word of the Day, Favorites reminder, and quick search by voice or keyboard entry.
Context menu lookup for any supported language (e.g., select a word in any app and tap “Cardinal Lookup” to lookup English definitions or translations in any supported language).
Phrase builder to create your own custom phrase decks, quickly and easily.
Phrase decks allow you to play audio as an “album” to help train your listening ability.
Create any phrase deck (completely custom or pulling from millions of phrase options), listen with our high-quality neural voices, and practice as flashcards.
Create lists of your favorite words, organize into decks and filter by language.
Easily lookup word definitions or search in the dictionary or phrasebook.
Millions of usage examples.
Dictionary contains synonyms, antonyms, and etymology.
Lookup words by frequency in all supported languages and instantly add to your decks.
Cloud backup and restore.
9 Supported languages:
English, Spanish, Russian, Dutch, Italian, Portuguese, German, French, Catalan, More soon...
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Cardinal’s flashcard system makes it easy to instantly create flashcards from a choice of millions of words and sentences.
Cardinal’s flashcard features include:
Flashcard repetition system uses the SM2 Spaced Repetition algorithm.
The flashcards utilize 3 variations > from definition to word > from word to definition > from speech to word+definition.
Phrase cards allow you to tap each word to instantly view a detailed definition with additional usage examples.
Card management: Easily move cards between decks and reset learning intervals.
Multilingual; learning French and Spanish, and working on English GRE/SAT/TOEFL words? No problem, easily practice all languages at once!
Ability to download vocabulary decks for offline practice or review.
Need more context with your vocabulary? Simply expand the card and tap to pin any phrase!