| What it is | A JLPT vocabulary app with the content built in | A general-purpose flashcard engine for any subject |
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| Setup | Sign up and start a level. Nothing to install or configure | Find or build a deck, pick note types, often install add-ons |
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| JLPT content | 8,090+ curated words, N5 to N1, one consistent format | Shared community decks; quality and format vary by deck |
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| Example sentences | On every word, with translation | Depends on the deck you choose |
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| Audio | Native audio on every word and sentence, male or female voice | Depends on the deck, or added yourself |
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| Furigana | On, off, or hidden only for your current JLPT level, set with one switch | Possible with note templates or add-ons |
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| Review scheduling | Mastery-based Smart Review: words return until you hit your chosen number of correct answers | Time-based spaced repetition (SM-2 or FSRS) with fine-grained tuning |
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| Customisation | Card display, voice, mastery bar and daily target | Almost unlimited: templates, fields, scheduling, add-ons |
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| Community | Built-in Community Garden with ranks and milestones | External forums and subreddits |
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| Price | Free on every device | Free on desktop, Android and web; the official iOS app is paid |
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