Celyn
Real-time audio translation for Mac
Celyn launched on April 14, 2026 with 80 votes, #588 of 21,248 launches that month and more than 95% of that year's launches.
What it does
Celyn lives in your notch and translates audio in real time. Speak into your mic, join a Zoom call, watch a YouTube video, listen to a podcast — and Celyn shows you the translation instantly, right at the top of your screen. No switching apps, no interrupting anyone, no lag.
Real-time translation that lives in your notch. On-device, private, instant. For macOS.
Subtitles where your eyes already are. No windows, no clutter. Your audio never leaves your Mac. Everything processed locally. English, Portuguese, Spanish, French, German, Japanese, Korean, and more. Press ⌥T to start translating. Press again to stop. That's it. No internet needed. No API keys required. No accounts to create. Everything is processed on your Mac using Apple's built-in speech and translation frameworks. No audio recorded, no transcripts saved, no data sent anywhere. Celyn requires macOS 15.0 (Sequoia) or later. It works on both Apple Silicon and Intel Macs. Yes, entirely. All speech recognition and translation happens on-device using Apple's built-in frameworks. No internet…from celyn.app
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