Latinnouna gap in your knowledge

Language learning that starts with what you couldn’t say.

Capture the phrase you reached for and missed. Lacuna saves it, reminds you before you forget, and reads it aloud until it’s reflex.

Start free

84+ languagesNo card needed

A gap, filled

How do I say “good morning”?

Spanish
See how it works

The loop

Three moves. That's the whole app.

  1. Capture

    Type a phrase you couldn’t say or didn’t get, then save it.

  2. Study

    Review when it’s due — before you forget.

  3. Listen

    Hear your phrases until they feel easy to say.

Try it — this demo is live

English

Good morning

Spanish

Buenos días

84+

languages, from the ones everyone learns to the ones nobody builds courses for.

Lacuna supports 84+ languages, including Spanish, French, Japanese, German, Korean, Italian, Mandarin Chinese, Portuguese (BR), Hindi, Russian, Arabic (MSA), Arabic (Egypt), Arabic (Levantine), Arabic (Gulf), Arabic (Morocco), Turkish, Dutch, Vietnamese, Polish, Swedish, Indonesian, Greek, Thai, Ukrainian, Hebrew, Chinese (Traditional), Filipino, Romanian, Danish, Norwegian, Finnish, Czech, Hungarian, Malay, Bengali, Cantonese, Tamil, Telugu, Marathi, Gujarati, Kannada, Malayalam, Punjabi, Urdu, Catalan, Croatian, Slovak, Bulgarian.

Most apps start with
someone else's list.

Lacuna starts with
the blank.

I couldn’t find a one-stop shop for filling the gaps in my language knowledge — so I built one.

Joseph DiSpirito, founder · the story

Start free

84+ languages — and no, you don’t have to pay for Pro to get fluent in one of them.