Mumble's privacy policy says it never receives content processed on the Mac in on-device mode, so it does not retain that content.

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

In the source's own words

“Content processed on your Mac (on-device mode): we never receive it, so we do not retain it.”

Mumble Dictation privacy policy (Narya.ai Inc.), Narya.ai Inc., 2026, Section 6, how long we keep your information.

What it measures: The sentence is the retention rule for on-device content, which the policy lists first in its retention section.
What it does not show: The policy keeps account, license and support records, and sends pseudonymous telemetry with no content. The row covers audio and transcripts.

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