Mumble's privacy policy says on-device processing happens entirely on the Mac, and that audio and text are not sent to the company or any third party.

Quote found word for word on the live source, last checked October 25, 2026

In the source's own words

“Processing happens entirely on your Mac. Your audio and text are not sent to us or to any third party.”

Mumble Dictation privacy policy (Narya.ai Inc.), Narya.ai Inc., 2026, Section 2, on-device model.

What it measures: The sentence describes the on-device model, which the user selects. It is the default for the app's transcription.
What it does not show: The row describes the on-device mode. Bring-your-own-key mode sends text to the provider the user chooses.

A row of Dictation App Features Compared: Offline, Privacy, AI, as Mumble Dictation: speech on device: 1 1 = yes, 0 = no.