Privacy Policy

DuctPro · Sirius Advisory Group Ltd

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DuctPro does not collect any personal data. All calculations, history, and project data are stored exclusively on your device. Nothing is transmitted to any server, and no tracking or analytics of any kind are used.

Data We Collect

Data Type Description Collected
Personal Information
Name, email, location, identifiers
NEVER
Usage Data
Screens visited, features used, session duration
NEVER
Calculation Data
Airflow, duct dimensions, fittings, projects, notes
ON-DEVICE
Diagnostics
Crash reports, performance metrics
NEVER
Device Info
Device model, OS version, hardware identifiers
NEVER
Location
GPS or network-based location
NEVER

Policy Details

On-Device Storage

All data you enter into DuctPro — calculations, project names, notes, and settings — is stored locally on your device using Apple's on-device storage framework. This data never leaves your device unless you explicitly choose to export it using the built-in iOS Share Sheet.

No Network Access

DuctPro makes no network requests of any kind. There are no servers, no APIs, no cloud sync, and no background data transmission. The app functions fully offline at all times.

No Third-Party SDKs

DuctPro contains no third-party analytics, advertising, or tracking libraries. There are no SDKs from any external provider embedded in the application.

Exports

When you use the Export feature (text, PDF, or CSV), content is shared via the standard iOS Share Sheet. Sirius Advisory Group Ltd has no visibility into where you send that content. What you share is entirely your choice and under your control.

Children's Privacy

DuctPro does not collect any data from any user, including children under 13. The app is a professional engineering tool intended for adults.

Changes to This Policy

If this privacy policy changes in a future version, the updated policy will be posted at this URL. The effective date below will be updated accordingly. We will never introduce data collection without updating this policy first.

Governing Law

This Privacy Policy is governed by the laws of France. For users in the European Union, we confirm that no personal data is processed, and therefore no GDPR obligations are triggered by the use of DuctPro.

Contact

Questions about privacy?

If you have any questions about this Privacy Policy or how DuctPro handles data, please reach out. We'll respond within 48 hours.

[email protected]