Captio AI
🦻 Accessibility + 💻 Productivity App

Danish live captions and productivity tool for group settings

For deaf and hard of hearing people.

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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

Danish family celebrations — a summer birthday dinner or a Christmas Eve gathering — involve everyone seated at a long table, with overlapping toasts, stories told across the room, and laughter in every direction.

🎉Social gatherings and parties

An evening with friends at a Danish home, the kind of long dinner where conversation is continuous and everyone talks across each other with ease and without stopping.

Friend catch-ups

A coffee or smorrebrод lunch with close friends, sitting over food for hours and catching up on everything that happened since the last meeting — unhurried and warm.

🌍Multilingual groups

Local neighbourhood or community council meetings in Denmark where different attendees take the floor in rapid succession and the discussion moves fast.

👥Community and club meetings

A Sunday family gathering where grandparents, parents, and children all sit together, each generation telling different stories at the same time in their own regional register.

🏠Shared living situations

A Saturday afternoon hygge session at a friend's home — candles, cake, coffee, and conversations that last several hours without any agenda.

Performance

Most accurate and fastest models

Danish
92.3%

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.

Danish

Why Danish is hard to understand

Stod Invisibility

  • The catch in the voice that changes meaning
  • Danish stod is a laryngeal feature — a creaky voice or glottal constriction — that distinguishes word meaning while leaving zero trace on the lips. Hund (dog) and hun (she) are a stod minimal pair: they look identical on a speaker's face.

Radical Lenition

  • Consonants that disappear mid-sentence
  • Danish plosives lenite heavily in natural speech: the post-vocalic 'd' becomes a near-silent approximant, and 'g' between vowels disappears almost entirely. At a dinner table with relaxed speakers, every other consonant may be swallowed before it reaches the air.

Vowel Chain Reduction

  • Five written vowels, two visible ones
  • In fast casual Danish, unstressed vowels reduce dramatically or drop entirely. Sentences that should carry four or five distinct vowel shapes on the lips may show only two at natural conversation speed.

Jutlandic-Copenhagen Divide

  • Uvular R vs. alveolar R at the same table
  • Speakers from Jutland use markedly different phonology from Copenhagen — including uvular R in the south versus alveolar R elsewhere, and distinct prosodic patterns. At a gathering with family from different regions, the same word takes on completely different visual shapes.

Contracted Conversational Speed

  • Danish at pace is unlike Danish in print
  • Danish is widely noted as one of the most difficult languages to understand even among native Scandinavians. In casual social settings, speech contracts, merges, and elides at rates that leave minimal reliable visual information for a lip-reader.

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The Challenge

Hearing loss in Denmark: the scale of daily exclusion

According to Statista data for Denmark, one-third of people over the age of 74 — 33.9% — experience hearing loss, and Denmark has one of the oldest populations in the EU. With approximately 750,000 Danes aged 74 and over, that represents a substantial portion of the people who gather with family for midsommer celebrations, Christmas dinners, and Sunday lunches. Across all age groups, Denmark's estimated number of people with some form of hearing difficulty is well above 1 million in a country of 6 million.

People with hearing loss in Denmark report significantly higher rates of co-occurring physical and mental disorders compared to the general population, including higher rates of depression and anxiety, according to a national survey published in the European Archives of Psychiatry and Clinical Neuroscience. Despite Denmark's advanced healthcare system, hearing aid uptake is variable and audiological rehabilitation does not automatically address the social dimension of hearing loss — the difficulty of following group conversations at family tables where multiple voices overlap without structured turn-taking.

Captio AI captions Danish conversation in real time — including the fast-contracted speech of a Copenhagen gathering or the drawled vowels of a Jutlandic family dinner — so deaf and hard of hearing people can read every voice at the table instead of watching the conversation flow past them.

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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

"Danish hygge evenings were the hardest — everyone sitting close together, talking fast, the speech running together. Captio AI gives me back the conversation one sentence at a time."

Astrid H. 🇩🇰
astrid.h***@gmail.com
Copenhagen, progressive sensorineural hearing loss

"My family speaks Jutlandic Danish with the rolled r and the dropped endings. Standard Danish is already hard to lip-read — Jutlandic is near impossible. Captio AI does not care which dialect it is."

Lars M. 🇩🇰
lars.m***@gmail.com
Aarhus, moderate hearing loss

"Christmas dinner in Denmark is six hours of fast overlapping conversation. I used to sit at the end of the table and smile when people laughed. Now I can actually join in."

Karen B. 🇩🇰
karen.b***@gmail.com
Odense, deaf since young adulthood

"The stod in Danish — that glottal catch in the voice — means two words that look the same on lips are actually different words. Captio AI captures the sound and shows me the right word every time."

Nikolaj T. 🇩🇰
nikolaj.t***@gmail.com
Frederiksberg, hard of hearing

"Danish hygge evenings were the hardest — everyone sitting close together, talking fast, the speech running together. Captio AI gives me back the conversation one sentence at a time."

Astrid H. 🇩🇰
astrid.h***@gmail.com
Copenhagen, progressive sensorineural hearing loss

"My family speaks Jutlandic Danish with the rolled r and the dropped endings. Standard Danish is already hard to lip-read — Jutlandic is near impossible. Captio AI does not care which dialect it is."

Lars M. 🇩🇰
lars.m***@gmail.com
Aarhus, moderate hearing loss

"Christmas dinner in Denmark is six hours of fast overlapping conversation. I used to sit at the end of the table and smile when people laughed. Now I can actually join in."

Karen B. 🇩🇰
karen.b***@gmail.com
Odense, deaf since young adulthood

"The stod in Danish — that glottal catch in the voice — means two words that look the same on lips are actually different words. Captio AI captures the sound and shows me the right word every time."

Nikolaj T. 🇩🇰
nikolaj.t***@gmail.com
Frederiksberg, hard of hearing

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FAQ

Frequently asked questions

Keep up with the group in Danish.

Captio AI is free to start

Download for free

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