The most powerful, privacy-focused AI transcription tool for macOS. Powered by Whisper, running entirely on your device with CoreML acceleration.
Since Vocal Prism is open-source and not yet code-signed by Apple, you may see a security warning.
Powerful tools built directly into a beautiful native macOS experience.
Watch your audio turn into text instantly. Vocal Prism streams the output as it's being processed, so you never have to wait for the file to finish.
Your audio never leaves your Mac. Vocal Prism uses the Whisper model running locally on your device, ensuring your data remains completely secure.
Need a transcript for meeting notes? Vocal Prism has you covered with versatile export formats.
From audio file to text in seconds.
Drag and drop your audio file (MP3, WAV, M4A) directly into the app window.
The local Whisper model analyzes the audio using CoreML acceleration for maximum speed.
Watch the text appear in real-time, then export or copy your transcript instantly.
Built with Swift and SwiftUI. Vocal Prism feels right at home on your Mac, with smooth animations and zero Electron bloat.
Designed with a stunning liquid-glass UI that adapts to your system theme.
Adjust CPU threads and model variants (Base, Small, Medium, Large) to suit your needs.
Your audio is yours. Vocal Prism processes everything locally. We don't train models on your conversations.
Engineered to take full advantage of M1, M2, and M3 chips.
Vocal Prism leverages the Apple Neural Engine (ANE) to run Whisper models at lightning speeds with minimal battery impact.
Designed for macOS 26 and later. Takes full advantage of the latest system frameworks.
Everything you need to know about Vocal Prism.
Yes! Because Vocal Prism uses local Whisper models, you can transcribe audio files without an internet connection.
Vocal Prism requires macOS 26.0 or later. It works on both Intel and Apple Silicon Macs, but is optimized for Apple Silicon (M1/M2/M3).
Yes! Vocal Prism is free to use. It is an open-source project built to provide high-quality transcription to everyone.
As an open-source app, Vocal Prism isn't code-signed by Apple yet. You can bypass this safely by going to System Settings > Privacy & Security and clicking "Open Anyway".
Join users who are saving hours of manual typing. Get full access to powerful AI transcription completely free.
Requires macOS 26.0+ and Apple Silicon (Recommended)