Privacy Policy

1. Data Controller

The controller responsible for processing any personal data in connection with this application and website is:

This policy is aligned with the Swiss Federal Act on Data Protection (revFADP, in force since September 2023) and the EU General Data Protection Regulation (GDPR).

2. Overview

SoundTools Pro is an audio toolkit for sound engineers (LUFS loudness meter, SPL meter, spectrum analyzer, delay finder). The app is designed privacy-first and runs entirely on the user's device:

• No user accounts, no login, no sign-up.
• No analytics, telemetry or behavioural tracking.
• No advertising SDKs or third-party trackers.
• No server-side storage of user-generated data.
• No audio data, measurements or results are transmitted to any server.

3. Microphone Access

The Loudness (LUFS), Spectrum Analysis and Delay Measurement modules require access to the device's microphone. This access is used exclusively for local, real-time analysis:

• Audio data is not recorded, not stored and not shared with any third parties.
• All analysis takes place directly in the app.
• Microphone access can be revoked at any time in the system settings.

Legal basis: Consent (Art. 6(1)(a) GDPR / Art. 31(1) revFADP). Consent is given through the operating system's permission prompt and can be withdrawn at any time by revoking the permission in system settings.

4. Local Storage on Device

The app stores only technical settings (the most recently selected audio input device and channel, calibration offset) in the device's local storage or browser localStorage. This data never leaves the device and can be cleared at any time by clearing the app's storage or site data.

Retention: Until you clear the app's storage or uninstall the app.

5. Hosting

The web version of the app is hosted by Netlify, Inc. (44 Montgomery Street, Suite 300, San Francisco, CA 94104, USA). Netlify may keep technical server logs including IP address, user agent and timestamp for up to 30 days for security and operational purposes.

Legal basis: Legitimate interest (Art. 6(1)(f) GDPR / Art. 31(1) revFADP) in ensuring secure and reliable operation of the service.

International transfer: As Netlify is US-based, your IP address is transferred to the United States. Netlify participates in the EU-US Data Privacy Framework and the Swiss-US Data Privacy Framework, which are recognised as providing an adequate level of data protection. Full details: netlify.com/privacy.

6. No Tracking or Analytics

No cookies (beyond strictly necessary functional ones, if any), trackers, analytics tools (Google Analytics, Firebase Analytics, Meta Pixel etc.) or advertising services are used.

7. Children's Privacy

This app is a professional audio tool and does not target children. It does not knowingly collect personal data from any user, including children under 16 (GDPR Art. 8) or under 13 (US COPPA). If you believe a child has provided personal information to us, contact us at hello@soundtools.tech and we will delete it.

8. Your Rights (revFADP / GDPR)

Under Swiss and EU data-protection law you have the right to:

• Access personal data we process about you
• Rectification of inaccurate data
• Erasure ("right to be forgotten")
• Restriction of processing
• Data portability for data you have provided
• Object to processing based on legitimate interest
• Withdraw consent at any time (where processing is based on consent)
• Not be subject to fully automated decision-making (we do not perform such)

Because the app itself does not collect or store personal data on its servers, most rights apply only to incidental server logs held by Netlify. To exercise any right, contact hello@soundtools.tech.

9. Right to Lodge a Complaint

If you believe your data-protection rights have been infringed, you may lodge a complaint with a supervisory authority:

• Switzerland: Federal Data Protection and Information Commissioner (FDPIC / EDÖB), Feldeggweg 1, 3003 Bern — edoeb.admin.ch
• EU: the national supervisory authority of your place of residence.

10. Changes to this Policy

This policy may be updated when the app changes. The effective date at the top reflects the current version. Material changes will be announced in the app's release notes or via the Google Play / Apple App Store listing.

11. Contact

Questions about this privacy policy or your personal data:
Email: hello@soundtools.tech
Postal: Jürg Andres, Dorf 23, 6215 Schwarzenbach LU, Switzerland

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