Official documentation
Privacy Policy: Dun
Dun (Manuel Fessen), 2026
Read the originalRead on October 19, 2026
- What it is
- The privacy policy of the Dun iPhone keyboard, last updated October 12, 2026. It says where dictation audio is transcribed, which third-party services receive analytics and purchase data, and what is stored on the phone.
- How much weight it carries
- Written by the developer and dated, so it is the strongest source on what the app does with data. It is a legal statement and does not list every feature or plan.
Facts taken from this source
- Dun's privacy policy says optional writing-style polish uses Apple's on-device Foundation Models when supported and available.
“Optional writing-style polish uses Apple's on-device Foundation Models when supported and available.” (1. On-Device Speech Processing)
- Dun's privacy policy says personal dictionary entries are used locally to improve recognition and text correction.
“Personal dictionary entries are used locally to improve recognition and text correction.” (1. On-Device Speech Processing)
- Dun's privacy policy says it does not use your speech to train models.
“We do not upload your voice for cloud transcription or use your speech to train models.” (1. On-Device Speech Processing)
- Dun's privacy policy says it does not upload your voice for cloud transcription.
“We do not upload your voice for cloud transcription or use your speech to train models.” (1. On-Device Speech Processing)
- Dun's privacy policy says dictation audio is transcribed on the iPhone using downloaded speech models.
“Dictation audio is transcribed on your iPhone using downloaded speech models.” (1. On-Device Speech Processing)