Captio AI
🦻 Accessibility + 💻 Productivity App

Russian live captions and productivity tool for restaurants & cafes

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.

🍽️Dinner with friends

A birthday dinner at a Moscow restaurant or a zakuski spread in St. Petersburg — friends talking fast, toasts, overlapping conversation. Captio AI captions each speaker in real time so a deaf diner can follow the whole table.

💼Business lunches

A business lunch at a Moscow city restaurant — professional Russian with English terms, where missing the key detail has real consequences. Captio AI follows every exchange and keeps the conversation accessible.

Cafe catch-ups

A coffee catch-up at a Moscow kofeynya or a café in Saint Petersburg — ambient background noise, two people across a table. Captio AI captions whoever is speaking across the small table.

🌍Restaurants abroad

Dining at a Russian restaurant abroad — in Berlin, London, or New York — where waitstaff speak accented English or Russian. Live Translator bridges any remaining gap in real time.

🎂Celebrations and group meals

A New Year gathering, a name-day celebration, or a family meal at a restaurant — many people, toasts, elevated noise, conversations running in parallel. Captio AI makes the celebration followable.

❤️Dates and one-on-one meals

A date or one-on-one dinner where conversation matters — Russian across a quiet restaurant table. Captio AI lets you follow every exchange without the accommodation being visible.

Performance

Most accurate and fastest models

Russian
93.8%

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 for the table — however noisy the room

Follows the person across the table

Point the microphone toward the person speaking and Captio AI captions them through the background noise. You do not need to face them, watch their lips, or lean in.

Works through restaurant noise

Restaurant noise averages 80 dBA — well above comfortable conversation level. Captio AI is built for these real environments, not quiet controlled rooms.

Place it and forget it

Put the phone on the table between you and the other person, microphone facing them. You glance at it as needed. No adjusting between sentences, no managing the setup.

No asking for repeats during the meal

Every word appears in real time. If you missed something, the caption is there — you do not need to stop the conversation and ask anyone to say it again.

Any language

For restaurants abroad, multilingual dining companions, or waitstaff who speak a different language. Live Translator captions and translates in real time with no manual setup.

Discreet

A phone on a restaurant table is unremarkable. Captio AI runs quietly, the screen faces you, and most dining companions adapt naturally once they understand what it does.

Russian

Why Russian is hard to understand

Pervasive palatalization

  • 36 consonant pairs, half invisible on the lips
  • Russian has a full set of hard/soft (non-palatalized/palatalized) consonant pairs across most of the consonant inventory — approximately 36 phonemic pairs. Palatalization is produced by raising the middle of the tongue toward the hard palate, entirely behind the lips. At a restaurant table, soft and hard minimal pairs look identical on the face.

Vowel reduction (akane)

  • Unstressed /o/ becomes /a/ — a systematic disguise
  • Russian has obligatory vowel reduction: unstressed /o/ is pronounced as /a/ (akane), and other unstressed vowels reduce toward schwa. The written form of a word and its spoken form in natural Russian speech are often very different. At a restaurant where everyone speaks at full conversational pace, reduced vowels change the visual shape of familiar words.

Fast Russian table speech

  • Russian informal speech accelerates in social settings
  • Colloquial Russian at a restaurant table is significantly faster and more elided than formal Russian. Word boundaries blur, unstressed syllables disappear, and particles contract. The spoken Russian of a birthday dinner in Moscow or St. Petersburg is nothing like the deliberate Russian of a textbook.

Consonant cluster density

  • Russian permits clusters that produce few visible anchors
  • Russian allows dense consonant clusters at word onset and across word boundaries — words like 'встреча' (meeting) begin with three consonants with almost no intervening vowel movement. At conversational speed, these clusters produce a rapid sequence of small mouth movements with few separable visual anchors.

Russian-English code-switching at professional venues

  • Business dining mixes Russian and English
  • In Moscow, St. Petersburg, and Russian diaspora restaurants in Europe and the US, professional and upscale dining conversations regularly incorporate English terms, brand names, and professional vocabulary. For a deaf lip-reader tracking Russian, an English phrase arrives without any visible signal that the phonological system has changed.

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The Challenge

Hearing loss in Russia: the scale of daily exclusion

In 2021, 642,959 adults in Russia were diagnosed with permanent hearing loss of any severity — 5.5 per 1,000 population — with 486,712 having bilateral sensorineural hearing loss. A 2020 analysis using Russian census data found that sign language users are distributed unevenly across Russia's 85 federal regions, with high proportions concentrated in Siberian regions including the Republic of Tyva and the Republic of Sakha, suggesting that hearing loss prevalence and support infrastructure are both regionally uneven.

Russian law provides formal anti-discrimination protections for deaf people in education, social services, and employment, but these protections are broadly worded and inconsistently enforced. Buildings typically lack visual alarms, captioning systems, or sign language interpretation in public services. For the large proportion of hard-of-hearing Russians who navigate daily social life — including restaurants and social dining — through lip-reading or residual hearing rather than sign language, no structured support exists in social settings.

Captio AI captions Russian conversation in real time, so a deaf or hard-of-hearing person can follow a birthday dinner in Moscow, a zakuski gathering in St. Petersburg, or a business lunch at a city restaurant without asking others to slow down or repeat.

Download for free

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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

"Birthday dinner at a Moscow restaurant — toasts, fast Russian, everyone talking across each other. Captio AI gave me the whole conversation. I stopped pretending I could follow and actually followed."

Natasha V. 🇷🇺
natasha.v***@gmail.com
Moscow, moderate sensorineural hearing loss

"Russian palatalization and vowel reduction make fast speech almost impossible to lip-read. Captio AI handles both. Business lunches are no longer something I dread."

Dmitri S. 🇷🇺
dmitri.s***@gmail.com
St. Petersburg, deaf since age 14

"At Russian diaspora restaurant evenings in Berlin the conversation moves between Russian and German. Captio AI follows both and I have not felt excluded at a community gathering in months."

Irina M. 🇩🇪
irina.m***@gmail.com
Berlin diaspora, bilateral hearing loss

"My friends talk fast at the kofeynya and the background noise kills what little I can hear. Captio AI captions it all. Coffee catch-ups are genuinely enjoyable again."

Alexei K. 🇷🇺
alexei.k***@gmail.com
Novosibirsk, age-related hearing loss

"Birthday dinner at a Moscow restaurant — toasts, fast Russian, everyone talking across each other. Captio AI gave me the whole conversation. I stopped pretending I could follow and actually followed."

Natasha V. 🇷🇺
natasha.v***@gmail.com
Moscow, moderate sensorineural hearing loss

"Russian palatalization and vowel reduction make fast speech almost impossible to lip-read. Captio AI handles both. Business lunches are no longer something I dread."

Dmitri S. 🇷🇺
dmitri.s***@gmail.com
St. Petersburg, deaf since age 14

"At Russian diaspora restaurant evenings in Berlin the conversation moves between Russian and German. Captio AI follows both and I have not felt excluded at a community gathering in months."

Irina M. 🇩🇪
irina.m***@gmail.com
Berlin diaspora, bilateral hearing loss

"My friends talk fast at the kofeynya and the background noise kills what little I can hear. Captio AI captions it all. Coffee catch-ups are genuinely enjoyable again."

Alexei K. 🇷🇺
alexei.k***@gmail.com
Novosibirsk, age-related hearing loss

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FAQ

Frequently asked questions

Have a real conversation through the noise in Russian.

Captio AI is free to start

Download for free

Download on theApp Store