Privacy Policy

Overview

Molufu records voice memos on a Wear OS watch, transcribes them, and saves them as Markdown to a location you choose (such as an Obsidian vault folder). The developer does not operate any server and does not collect or store your data. The one exception is transcription, which is sent to Google's Gemini API using your own API key — described below.

Data we process

• Voice recordings — stored in the app's private storage on the watch/phone and deleted after they are delivered and transcribed.
• Transcribed text — written to the save location you choose. It is your data, in your folder.
• Your Gemini API key — stored only on your device in encrypted storage (Android Keystore), never in plain text.

The developer cannot access any of this data.

Transcription & third parties

To transcribe your memos, audio is sent to Google's Gemini API using your own API key. How that data is handled is governed by Google's terms and privacy policy. On the Gemini free tier, submitted content may be used to improve Google's models — please review Google's policies. No transcription request passes through a developer-operated server.

Bring your own key (BYOK)

The app does not include a developer API key. You set your own Gemini API key, which is kept in hardware-backed encrypted storage (Android Keystore). If you enable transcribe-on-watch, the key is also synced to your paired watch so it can transcribe independently.

Watch–phone communication

The watch and phone communicate over the Wearable Data Layer (Bluetooth) on your own devices. Recordings transfer directly between your watch and your phone; they do not go through any external server.

Permissions

• Microphone — used only to record voice memos.
• Notifications — used to show the recording foreground service.
• Internet — used to send audio to the Gemini API for transcription.

Analytics & advertising

Molufu contains no analytics, no advertising, and no third-party tracking, and does not share data with third parties (other than the Gemini API call you initiate with your own key).

Data deletion

Notes written to your save location remain under your control. Uninstalling the app removes cached audio, the encrypted key, and the local database from your device.

Not for medical use

Molufu is a personal-memo app. It is not intended for protected health information (PHI) or any medical use; please do not use it for that purpose.

Children's Privacy

The app does not knowingly collect any information from children. The developer collects no personal data from any user.

Changes to This Policy

We may update this Privacy Policy from time to time. Changes are reflected by updating the "Last updated" date above.

Contact

Questions about this Privacy Policy? Contact masashi.umetani@gmail.com.