Captio AI
🦻 Accessibility + 💻 Productivity App

Spanish live captions and productivity tool for group settings

For deaf and hard of hearing people.

Download for free

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Captio AI app showing live captions

Download for free

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Use Cases

Every situation covered

Designed for the real moments that matter — not just quiet controlled environments.

🍽️Family dinners

A family Sunday comida in Mexico City or Madrid where multiple generations talk over each other and no one slows down. Captio AI captions each speaker so you follow the whole table, not just the clearest voice.

🎉Social gatherings and parties

A quinceañera or family celebration where cousins from different countries speak their local Spanish variant and the conversation bounces between them. Captio AI handles each regional accent in the same session.

Friend catch-ups

A gathering with friends at a tapas bar in Spain where the noise of the bar and Castilian Spanish at pace make lip-reading nearly impossible. Captio AI cuts through the noise.

🌍Multilingual groups

A neighbourhood social event in Buenos Aires or Bogotá where Rioplatense or Colombian Spanish fills the air and conversation moves too fast to track visually. Captio AI captions whoever is nearest.

👥Community and club meetings

A multigenerational family reunion where grandparents speak one Spanish variant and grandchildren speak another — or mix in English. Captio AI follows the full conversation without adjustment.

🏠Shared living situations

A community association meeting or local event where multiple Spanish speakers contribute quickly and there is no formal captioning. Captio AI gives you a real-time transcript of every contribution.

Performance

Most accurate and fastest models

Spanish
94.7%

word accuracy

independent benchmark, 2025

< 200ms
you speak
captions

real-time captions

first word appears as you speak

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Captio AI in everyday use
Why Captio AI

Built to keep you in the conversation, not just in the room

Captions whoever is speaking

Captio AI follows the dominant voice at any moment — whoever is loudest in the microphone's direction. In a group conversation, this tracks the active speaker naturally.

Works through background noise

Restaurants, living rooms, parties, outdoor gatherings. Moderate background noise does not prevent accurate captions — Captio AI is built for real environments, not quiet rooms.

Place it in the centre and forget it

Put the phone on the table or in the middle of the group, microphone facing the conversation. No positioning it after every speaker change, no adjusting between voices.

Less effort, less fatigue

The cognitive load of following a group conversation by lip-reading and reconstructing speech is exhausting. Captio AI handles the following so you can direct your energy toward actually being in the conversation.

60+ languages

For multilingual families, mixed-language social groups, or gatherings where people switch between languages mid-conversation. No setup required between language changes.

No setup between conversations

Open the app and place the phone. No configuration per setting, no briefing the group, nothing to manage between conversations. It works for any group, in any situation.

Spanish

Why Spanish is hard to understand

Seseo vs distinción

  • Spain and Latin America use different sounds for the same letters
  • Peninsular Spanish uses a dental fricative /θ/ for the letters c and z (distinción), while Latin American Spanish merges these into /s/ (seseo). In a diaspora gathering with speakers from both traditions, the phonological ground shifts between every speaker. A deaf person calibrated to one system encounters a different set of mouth shapes from speakers of the other — and in casual conversation, neither group adjusts.

Final consonant elision

  • Caribbean Spanish drops the consonants that distinguish words at the end of syllables
  • Dominican, Cuban, and Puerto Rican Spanish weaken or drop final consonants aggressively. Final -s becomes an aspiration or disappears entirely: 'buenas noches' → 'buena' noche''. Final -d and -n follow similar patterns. In fast casual group conversation, these consonant endings are absent from the speech signal and invisible to a lip-reader — making Caribbean Spanish one of the most challenging Spanish varieties to lip-read in a noisy social setting.

Voseo rhythm

  • Rioplatense Spanish has a distinct prosody and verb system unfamiliar to other Spanish speakers
  • Argentina, Uruguay, and Paraguay use voseo — vos sabés, vos tenés — instead of tú sabes, tú tienes. This changes verb endings and the prosodic rhythm of speech throughout every utterance. Argentine and Uruguayan speech also carries an Italian-influenced intonation inherited from mass immigration. For a deaf person moving between Spanish communities, the rhythm and intonation of speech shifts significantly between Rioplatense and other varieties.

Rapid consonant compression

  • Latin American Spanish runs fast in social settings with high syncopation
  • Mexican, Colombian, and Caribbean Spanish in informal social settings moves at high speed with syncopated rhythm — syllables compress, unstressed vowels reduce, and conversations move faster than any formal speech a deaf person may have calibrated to. At a family gathering or neighbourhood event, this is the pace everyone uses — and nobody slows down for the group.

Spanglish code-switching

  • US Latino gatherings and diaspora events mix Spanish and English mid-sentence
  • In US Latino communities, diaspora gatherings in the UK and Europe, and among Spanish speakers who work in international contexts, Spanish and English appear in the same sentence: 'Vamos a hacer una meeting mañana, no te olvides de check your email.' The switch carries no announcement and typically contains the most specific content — dates, names, decisions. A deaf person following Spanish loses the thread the moment English appears.

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The Challenge

56 million by 2030. And the dinner table remains the most excluded setting of all.

The Spanish-speaking world carries one of the largest hearing loss burdens in the Americas. WHO projections for Latin America estimate 56 million people with hearing loss by 2030 and 87 million by 2050 — a figure driven by population growth, ageing demographics, and chronic underinvestment in hearing healthcare across the region. In Argentina, a national survey found that 20.8% of the population aged 6 and over reported hearing difficulties, with nearly half of those unable to hear even with assistive devices.

Access to communication support in social settings is minimal across Spain and Latin America. Formal sign language interpreter provision exists in some institutional contexts — courts, hospitals, schools — but not in everyday social life. A deaf person at a family celebration in Mexico City or Buenos Aires or Seville has access to no formal communication support, and the social expectation of participation at a family gathering remains unchanged. The gap between the expectation and the practical reality is where exclusion is most felt.

Captio AI captions Spanish in real time across Castilian, Mexican, Rioplatense, Caribbean, and Andean varieties — so the Sunday family comida, the quinceañera, and the neighbourhood gathering are conversations a deaf or hard of hearing person can follow without tracking every mouth in the room.

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Privacy

What you hear stays with you.

Gone the moment it ends

Captio AI processes your audio in real time and discards it immediately. Nothing is recorded. Nothing is kept.

Not a product

Your conversations are not something Captio AI sells, shares, or monetizes — to anyone, for any reason.

Not used to train anything

What you say in a doctor's appointment or a job interview never ends up in a training dataset. Not ours. Not anyone else's.

100% PRIVATE

Private by default

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Reviews

People love Captio AI

"Andalusian Spanish drops so many consonants that family gatherings used to be exhausting. Captio AI on the table makes them enjoyable again."

Laura G. 🇪🇸
laura.g***@gmail.com
Hard of hearing, Seville

"Mexican family gatherings are fast, loud, and everyone talks at once. I used to go home and sleep for three hours after the effort of following. Not anymore."

Carlos R. 🇲🇽
carlos.r***@gmail.com
Deaf since childhood, Mexico City

"Rioplatense Spanish at an asado with twenty relatives is its own universe. Captio AI follows it all so I can actually respond to what people are saying."

Valentina M. 🇦🇷
valentina.m***@gmail.com
Hard of hearing, Buenos Aires

"My family mixes Spanish and English in the same sentence and nobody notices the switch. Captio AI follows both. I'm not asking 'what did they say?' every five minutes anymore."

Isabel F. 🇺🇸
isabel.f***@gmail.com
Hard of hearing, Miami

"Andalusian Spanish drops so many consonants that family gatherings used to be exhausting. Captio AI on the table makes them enjoyable again."

Laura G. 🇪🇸
laura.g***@gmail.com
Hard of hearing, Seville

"Mexican family gatherings are fast, loud, and everyone talks at once. I used to go home and sleep for three hours after the effort of following. Not anymore."

Carlos R. 🇲🇽
carlos.r***@gmail.com
Deaf since childhood, Mexico City

"Rioplatense Spanish at an asado with twenty relatives is its own universe. Captio AI follows it all so I can actually respond to what people are saying."

Valentina M. 🇦🇷
valentina.m***@gmail.com
Hard of hearing, Buenos Aires

"My family mixes Spanish and English in the same sentence and nobody notices the switch. Captio AI follows both. I'm not asking 'what did they say?' every five minutes anymore."

Isabel F. 🇺🇸
isabel.f***@gmail.com
Hard of hearing, Miami

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FAQ

Frequently asked questions

Keep up with the group in Spanish.

Captio AI is free to start

Download for free

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