- What is the best live caption app for Mac?
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For most people, the one already installed: Apple's Live Captions is free, on-device and works across apps. The honest answer only stops being that when your language is not on Apple's list, when the captions need to sit above the window you are working in, or when the audio is somewhere Apple's does not reach.
- Is there a free alternative to this?
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Several, and this page lists them first for that reason. Apple's Live Captions, the captions built into Zoom, Teams, Meet and Slack, and your browser's own live caption all cost nothing. There is also the source: the code is available, and building it yourself is free.
- Which of these keeps the audio on my Mac?
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Apple's Live Captions, your browser's live caption, local file transcription, and this. The meeting apps' own captions and the cloud notetakers send audio to a server, which is not a criticism of them so much as the thing to check before your employer does.
- Can any of them caption a language Apple does not support?
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Yes. The meeting apps cover more languages than macOS does, and the cloud services cover more again. This covers sixteen with no region condition, which is wider than Apple's list and much narrower than a cloud service's.
- Do any of them work on an Intel Mac?
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The meeting apps' own captions, your browser's, and the cloud services. Apple's Live Captions needs Apple silicon, and so does this: it is built on an API that arrived in macOS 14.2 and does not exist on Intel.
- Why is there no free trial?
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Because a 14-day refund with no questions asked does the same job with less machinery, and because the demo on the home page is the overlay itself: it drags, fades and stacks in your browser exactly as it does on the Mac.