Captio AI
🦻 Accessibility + 💻 Productivity App

German live captions and productivity tool for tv & media

For deaf and hard of hearing people.

Download for free

Download on theApp Store
Captio AI app showing live captions

Download for free

Download on theApp Store
Use Cases

Every situation covered

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

📺Live TV — news, sport, events

ARD and ZDF run live news and sport that pre-generated subtitles lag behind. Point Captio AI at your TV and read the German as it is spoken, not several seconds behind the presenter.

🎬Streaming content

Netflix, Disney+, and the broadcasters' streaming apps vary in subtitle quality and availability. Captio AI works as a consistent fallback for any German show or film that ships with wrong, delayed, or missing captions.

📱YouTube and social media

YouTube auto-captions for German are often inaccurate and most social video has none. Point Captio AI at your phone and read accurate German captions for any clip.

🌍Foreign-language content

A foreign film, a foreign documentary, a non-German channel — much of it dubbed into German. Live Translator captions and translates in real time so anything becomes watchable as it plays.

🎭Cinema

Not every cinema showing has open captions. Hold Captio AI near the audio and read real-time German captions of the dialogue discreetly from your seat.

🎧Podcasts and audio content

Most German podcasts have no transcript. Hold Captio AI near the audio or upload a recording, and read the whole episode in writing.

Performance

Most accurate and fastest models

German
93%

word accuracy

independent benchmark, 2025

< 200ms
you speak
captions

real-time captions

first word appears as you speak

Download for free

Download on theApp Store
Captio AI in everyday use
Why Captio AI

Built for the content that subtitles fail

Captions any content in real time

Point the phone toward any speaker — TV, laptop, tablet, cinema screen. Captio AI captions whatever is playing, regardless of whether that platform provides subtitles.

Faster than built-in subtitles for live content

Pre-generated subtitles lag behind live TV by several seconds. Captio AI captions in real time — so you read what is being said as it is being said.

Works on any screen or device

No integration required. Point the phone toward the audio source — the same approach works for a large TV, a laptop screen, a cinema, or a phone held at arm's length.

Any language, translated in real time

For foreign-language content, switch to Live Translator. It translates as content plays — so a French film, a German documentary, or a Japanese series all become watchable.

No subtitle file needed

Captio AI captions from the audio directly. No subtitle file, no platform support, no creator requirement. If audio plays, Captio AI can caption it.

More accurate than auto-generated captions

The industry average for AI-generated subtitles is a 10–15% word error rate — roughly 1 in 10 words wrong (3Play Media). Captio AI is built for accuracy in real-world audio conditions.

German

Why German is hard to understand

Long compound nouns

  • Whole concepts packed into one unbroken word
  • German builds long compound words that stack several ideas together. On a fast news read or a drama scene, a deaf viewer who misses one syllable in the middle of a compound loses the entire term — and there is no lip to read when the camera cuts to a reaction shot.

Final devoicing

  • Word endings that lose their voicing
  • In German, b, d, and g become p, t, and k at the end of a word. The ending a lip-reader relies on to tell two terms apart is neutralised, and on a small screen where the face is turned away the distinction is gone entirely.

Front rounded vowels

  • ü and ö look like u and o on screen
  • German ü and ö are made with rounded lips and a front tongue, so they look like plain u and o from across the room. In a fast scene the vowel that changes a word is invisible on a speaker's face.

Austrian and Swiss varieties

  • Vienna and Zurich do not sound like Berlin
  • German-language film and TV span Germany, Austria, and — especially — Switzerland, whose German differs so sharply from the standard that even Germans need subtitles. A deaf viewer calibrated to standard German meets very different vowels from an Austrian or Swiss production.

Dubbing and mismatched lips

  • Foreign content dubbed into German never matches the mouth
  • Germany dubs most foreign film and TV into German, so the words a viewer hears do not match the lips on screen at all. For a deaf viewer relying on lip-reading, dubbed content is impossible — the mouth is speaking a different language from the soundtrack.

Download for free

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The Challenge

Germany subtitles broadcast TV — and dubs almost everything foreign

Hearing loss is common across the German-speaking world: large German cohort studies put the prevalence of moderate-to-complete hearing loss at around 12.7%, and systematic reviews find overall rates of 16% to 25% of adults. Germany's accessibility law — the implementation of the European Accessibility Act — gives deaf and hard of hearing people the right to access broadcast content, and the public broadcasters subtitle a large share of their programmes.

But regulation covers broadcast, and reality outruns it. Live programming still lags, the broadcasters' streaming apps and international platforms vary in caption quality, and social and short-video content is largely uncaptioned. Above all, Germany dubs most foreign film and television into German — so a deaf viewer relying on lip-reading gets a mouth that never matches the soundtrack, with no accessible caption to fall back on.

Captio AI does not depend on the broadcaster or the platform. Point the phone at any screen — a live ARD news bulletin, a dubbed foreign series, a YouTube clip — and read German captions in real time from the audio, whether or not that content was ever captioned.

Download for free

Download on theApp Store
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

"Almost everything foreign is dubbed into German here, so the lips never match the sound — hopeless for me. Captio AI captions the German soundtrack from the audio. For the first time I can watch a dubbed film and follow it."

Lukas B. 🇩🇪
lukas.b***@gmail.com
Hard of hearing, Berlin — foreign-film viewer

"Live news subtitles lag and Austrian German is not the standard I read best. Captio AI captions it in real time from the audio. I read the news as it is spoken, not a few seconds behind."

Andrea H. 🇦🇹
andrea.h***@gmail.com
Deaf, Vienna — live TV viewer

"Swiss German is a different world and streaming captions barely cover it. Captio AI captions the actual dialogue from the audio. It finally covers the content the platforms leave out."

Reto M. 🇨🇭
reto.m***@gmail.com
Hard of hearing, Zurich — streaming viewer

"German YouTube stacks those long compound words and the auto-captions mangle them. Captio AI captions the clip accurately from the audio. It changed how much I can actually watch."

Katrin S. 🇩🇪
katrin.s***@gmail.com
Deaf, Munich — YouTube viewer

"Almost everything foreign is dubbed into German here, so the lips never match the sound — hopeless for me. Captio AI captions the German soundtrack from the audio. For the first time I can watch a dubbed film and follow it."

Lukas B. 🇩🇪
lukas.b***@gmail.com
Hard of hearing, Berlin — foreign-film viewer

"Live news subtitles lag and Austrian German is not the standard I read best. Captio AI captions it in real time from the audio. I read the news as it is spoken, not a few seconds behind."

Andrea H. 🇦🇹
andrea.h***@gmail.com
Deaf, Vienna — live TV viewer

"Swiss German is a different world and streaming captions barely cover it. Captio AI captions the actual dialogue from the audio. It finally covers the content the platforms leave out."

Reto M. 🇨🇭
reto.m***@gmail.com
Hard of hearing, Zurich — streaming viewer

"German YouTube stacks those long compound words and the auto-captions mangle them. Captio AI captions the clip accurately from the audio. It changed how much I can actually watch."

Katrin S. 🇩🇪
katrin.s***@gmail.com
Deaf, Munich — YouTube viewer

Download for free

Download on theApp Store
FAQ

Frequently asked questions

Watch anything in German.

Captio AI is free to start

Download for free

Download on theApp Store