
mulvolin
AI Multilingual Vocabulary
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Free
In-App Purchases
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About
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. You start with a free trial.
The price, the length of the trial and the renewal terms are shown in the app and on this
store page before you confirm anything. You can cancel any time from your device settings.
Terms of Use: https://mulvolin.com/terms
Privacy Policy: https://mulvolin.com/privacy
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What's New in mulvolin
1.6.0
September 9, 2026
・Mix Reading: read a passage where two languages are mixed. Tap a word to see what it means and add it to your deck ・Turn your own words into a song, and make a video to share ・Spanish is now a display language ・Added Paper and Mono color schemes ・Missing a single day no longer breaks your streak ・The day now turns at 4am where you are ・Listening and the emoji quiz count as a study day
MoreSubscription plans
Mulvolin Premium Monthly
Unlimited words, AI translation & voice input
$6.991 Month
7 Days trial



