mulvolin

In-app purchases
Content rating
Everyone
5+
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Content rating
Everyone
Users Interact, In-App Purchases
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About this app

The vocabulary app that makes you multilingual.

mulvolin lets you learn one word in every language you're studying — at the same time.
Learning "apple"? Keep English, Spanish, Korean and Chinese together on a single card.

■ Three steps to add a word
1. Put it in — type it, photograph it (camera / OCR), or say it
2. AI fills the rest — readings, meanings and example sentences, in every language you study
3. Review — spaced repetition (SRS) brings it back right before you forget

■ Five quizzes, so reviewing stays fun
・Today's question — one four-choice question a day, from your own photos
・Photo quiz — the same, as many times as you like. Pick the language and how many
・Word match — pair the same meaning across two languages
・Sentence builder — put the words of an example sentence back in order
・Emoji quiz — guess the meaning from emoji. Works before you've added a single word

When you finish, tap any word in "words in this round" to open it and review on the spot.

■ Your photos become an album
Every photo you used to add a word is laid out by date,
so you can look back on where you learned each word.

■ See what you've kept up
・How well each language has stuck
・Days in a row, and time spent
・Badges for what you've done
・Words that are "one language away" can be filled in right there

■ Starter decks you can use today
English basics / JLPT N5 words / Travel phrases.
Download one and it's yours — edit it however you like.

■ 70 languages
Japanese, English, Spanish, Chinese, Korean, French, German, Italian, Portuguese,
Russian, Arabic, Hindi, Thai, Vietnamese and more. Mix them however you want.

■ Who it's for
・You're learning two or more languages at once
・Flashcard apps have never stuck for you
・You're preparing for JLPT, HSK, TOPIK or similar
・You want the words you'll need before a trip

■ Appearance and language
Dark mode and display language follow your device, or you can choose.

■ Subscription
Mulvolin requires a Mulvolin Premium subscription. Your first 7 days are free.

・Mulvolin Premium (Monthly): $6.99 / month
・Mulvolin Premium (Yearly): $69.99 / year (two months cheaper than monthly)

Unless cancelled at least 24 hours before the free trial ends, your subscription renews
automatically.

Terms of Use: https://mulvolin.com/terms
Privacy Policy: https://mulvolin.com/privacy
Learn one word in every language you study. AI adds readings and examples.
Updated on
Aug 28, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info, Photos and videos and 2 others
  • Data is encrypted in transit
  • You can request that data be deleted
Content rating
Everyone
Users Interact, In-App Purchases
Learn more

App support

About the developer
MULVOLIN ATELIER
support@mulvolin.com
1-6-16, KANDAIZUMICHO YAMATO BLDG. 405 CHIYODA-KU, 東京都 101-0024 Japan
+81 50-1784-0898

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