Guide
How to translate any livestream you watch on iPhone
To translate a livestream on iPhone while it airs, use an app that listens to the audio the stream is playing and floats the translation over it: Hono Translate does that on the same iPhone — no second phone, nothing played out loud — for TikTok LIVE, YouTube, Instagram Live, Twitch, Weverse or any other app with sound, and it is free to try. A livestream has no subtitle track to find, because the words do not exist until they are spoken; translating the audio as it plays is the only way to read along live.
What to do
- Start the stream and leave it playing. It does not need to be in the foreground once you are set up, and you do not need to turn the volume up or put it on speaker — the app is given the audio directly, not through the room.
- Open Hono Translate and set the two languages. One is the language being spoken, the other the one you read. The first time you pick a pair the models download; after that it is offline.
- Tap Start translating sound, confirm on the iOS sheet, then tap the empty space below it. The system asks every time — it is the standard broadcast permission, and it is what gives the app the sound another app is playing.
- Swipe back to the stream. Once the sheet closes, the subtitle window floats up on its own and the iPhone returns to the Home Screen; from then on it stays on top of whatever you switch to. Drag it anywhere that is not covering the thing you are watching.
There is nothing live-specific to configure. The app is reading a stream of audio either way; whether it is being produced now or was recorded last year makes no difference to it.
One iPhone or two: the usual options compared
| Option | What you get on a Japanese or Korean live |
|---|---|
| The platform's captions | Only if the stream has a caption track, which most do not; YouTube's Auto-translate works from that track |
| Google Translate on a second device | Rolling text on another screen, with the stream played out loud in a quiet room |
| Live Captions | A transcript in the spoken language, not a translation |
| Hono Translate | Translated subtitles over the stream, on the same iPhone, headphones on or off |
Captions on Twitch, where a channel has them, are added by the streamer and are not translated. TikTok Live has no switch that translates what the streamer says.
Does iPhone translate a livestream on its own?
No — and it is worth being precise about why, because iOS has three features whose names suggest it should. Each does part of the job, and none of them does this one.
| Feature | What it does to a livestream |
|---|---|
| Live Captions | Transcribes without translating — Korean audio becomes Korean text |
| Live Translation | Does not reach it: translation is limited to Messages, Phone, FaceTime and AirPods conversations |
| Generated subtitles (iOS 27) | Writes subtitles for English speech only (U.S. and Canada), in supported apps; it translates only a video that already has English subtitles |
| Hono Translate | Transcribes and translates it, over the app that is playing |
Live Translation also depends on your region and which iPhone you have. So the gap is real rather than invented: iOS will happily write down what is being said on a stream, and it will happily translate a phone call, but nothing built in will do both things at once on a video you are watching. Why it has to share your screen covers the mechanism in more detail.
Why live is a harder problem than a recording
With a recording you have options, even bad ones. Someone may have subtitled it. An official version may appear with subtitles later. You can pause on a line you did not catch and look it up. None of that survives contact with a live broadcast:
- There is nothing to find. A subtitle file is made from content that already exists. During a live broadcast the content is being created as you watch.
- There is no pausing. Looking a phrase up costs you whatever is said while you look. On a recording that is an annoyance; live, the thing you were trying to follow has moved on.
- Coverage depends on the platform, and on the streamer. Whatever captioning a given service offers, it varies by platform, by language and often by individual channel — so "does this stream have captions" is a question you have to ask again every time.
Reading the audio sidesteps all three. The app does not ask the platform for a caption track, because it is not talking to the platform at all.
It works the same everywhere, for the same reason
Hono Translate takes the audio your iPhone is playing, recognises the speech and translates it, entirely on the device. It never learns which app produced the sound. That is why the same setup covers a Twitch stream, a YouTube live, an Instagram or TikTok live, a Japanese or Korean broadcaster's own app, and a live shopping channel — and why a platform you have never heard of works too.
Why this app rather than the usual workarounds
Most ways of getting a foreign livestream translated on a phone involve a compromise somewhere. These are the ones this avoids.
It is given the audio, not left to overhear it
The common fallback is to point a second device, or a translation app's microphone, at your speaker. That means playing the stream out loud, in a quiet room, and accepting whatever the microphone makes of it. Here the sound arrives as the app is playing it, so headphones are fine and the room does not matter.
It runs on the device
Recognition and translation both happen on your iPhone, using the models iOS already ships. There is no account to create, nothing is uploaded to a server, and after the first download for a language pair there is no network involved on the subtitle side at all — the only thing using your connection is the stream.
It does not care which app is playing
Nothing is integrated with YouTube, Twitch or anyone else, so nothing breaks when a platform changes and there is no list of supported services to check. If your iPhone can play it, it can be subtitled.
Nothing is metered
There is no per-minute or per-stream charge, because there is no server doing the work to pay for. A four-hour broadcast costs the same as a four-minute one.
What live makes harder
Being honest about this is more useful than not, because these are the things that will actually shape whether it works for the stream you watch:
- Background music and crowd noise cost accuracy. Speech recognition works on what it can hear. A talk stream transcribes better than a music set or a stadium.
- Several people talking at once is hard. Recognition follows speech, not speakers, so a lively group call or a raid is messier than one person at a microphone.
- There is no second pass. On a recording you could rewind and let it try again. Live, a line that was missed is missed.
- It trails the speaker slightly. A phrase has to be heard before it can be recognised and translated. Expect to be reading a moment behind, which is fine for following a stream and wrong for anything you have to react to instantly.
- iOS screen recording cannot run at the same time. iOS allows a single broadcast session and this is using it. To keep a moment with the subtitles in it, use the app's own recording, which saves the clip to Photos.
Questions
Does it work on Twitch?
Yes, and on YouTube, TikTok, Instagram Live, Weverse or any other streaming app, because it reads the audio your iPhone is playing rather than asking the platform for captions. Nothing about the setup changes from one app to the next.
Can I translate a livestream with just one iPhone?
Yes. Hono Translate runs on the iPhone that is playing the stream and gets the audio from iOS, so you do not need a second phone listening to the speaker. The subtitles float over the app you are watching.
Can't I just use Live Captions for this?
Only if you already understand the language. Live Captions transcribes — it writes down what was said, in the language it was said in. Translating between languages is the part it does not do, and Live Translation, which does translate, only works inside Messages, Phone, FaceTime and AirPods conversations.
Doesn't iOS 27 generate subtitles for live streams?
For English speech only. Apple lists its generated subtitles as English (U.S. and Canada), on iPhone 15 Pro, iPhone 16 and later, in apps that support them. It does not translate what is being said: its translated subtitles start from an English subtitle track that already exists. A Japanese or Korean stream with no subtitles gets nothing from it.
Do I have to play the stream out loud?
No. The audio is handed to the app by iOS rather than picked up by the microphone, so you can watch on headphones, with the volume where you like, in a noisy room.
How far behind the speaker is it?
A short delay, because a phrase has to be spoken before it can be recognised and translated. Comfortable for following along; not suitable for anything where you need to react in the same second.
Can I clip or record the stream with the subtitles showing?
Yes, with the app's own recording. iOS gives the system one broadcast session and the subtitle app is holding it, so iOS screen recording cannot run at the same time — but Hono Translate can record the picture, the sound and the subtitles together and save the clip to Photos.
Does it need a network connection of its own?
Only the first time you use a language pair, to download the models. After that recognition and translation both run on the device — the only thing using your connection is the stream itself.
Which languages can it listen to?
The list comes from iOS at runtime rather than being hardcoded, and the listening side and the reading side are not the same list. Listening is limited to the overlap between Apple's on-device speech models and its translation models; reading is anything Apple's translator handles.
Can an iPhone app hear the sound another app is playing? Do I need a second phone?
Yes, and one iPhone is enough. Through screen sharing — the iOS sheet you confirm when you start — iOS hands the sound that is playing to the app you pick. Hono Translate takes that audio from iOS, not from the microphone, so headphones are fine, and its subtitles float in a Picture-in-Picture window over TikTok, YouTube or any other app.
Hono Translate is on the App Store. A subtitle card you can size to fit, and the languages come from whatever your iPhone already supports.
Get it on the App StoreGuides for specific apps
- How to translate a YouTube video or live stream on iPhone, even with no captions (free to try)
- How to translate a TikTok LIVE on iPhone in real time (one phone, free to try)
- How to translate an Instagram Live on iPhone in real time
- How to get live translated captions on a Twitch stream on iPhone
- How to get translated subtitles on a Weverse live on iPhone (one phone, with or without membership)