Privacy Policy

Last updated: February 2026

1. Introduction

The Clarinet Multiphonics Database at multiphonics.app is operated by Heather Roche ("we", "us", or "our"). We are committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our Service.

2. Information We Collect

Account Information

When you create an account, we collect:

• Email address
• Display name (optional)
• Profile preferences

Google Sign-In Information

If you choose to sign in with Google, we receive the basic account information needed to create and maintain your account, such as your email address, name, and profile picture if provided by Google. We use this information only for authentication, account access, and displaying your profile within the Service. We do not request access to your Google Drive, Gmail, contacts, calendar, or other Google content.

Payment Information

Payment processing is handled by Stripe. We do not store your credit card details. Stripe may collect and store payment information in accordance with their Privacy Policy.

Usage Data

We automatically collect:

• Pages viewed and features used
• Device type and browser information
• IP address (anonymized)

3. How We Use Your Information

We use your information to:

• Provide and maintain the Service
• Process subscriptions and payments
• Send important updates about the Service
• Respond to your inquiries and support requests
• Improve the Service based on usage patterns

4. Data Sharing

We do not sell your personal information. We may share data with:

• Stripe — for payment processing
• Service providers — who assist in operating the Service
• Legal authorities — when required by law

Google user data is not sold, rented, transferred, or disclosed for advertising purposes. Our use and transfer of information received from Google APIs adheres to the Google API Services User Data Policy, including the Limited Use requirements.

5. Data Retention

We retain your account information as long as your account is active. You may request deletion of your account and associated data at any time through the Contact page.

6. Your Rights (GDPR)

If you are in the European Economic Area, you have the right to:

• Access — Request a copy of your personal data
• Rectification — Request correction of inaccurate data
• Erasure — Request deletion of your data
• Portability — Receive your data in a portable format
• Object — Object to processing of your data

7. Cookies

We use essential cookies to maintain your session and preferences. We do not use tracking cookies for advertising purposes.

8. Security

We implement industry-standard security measures to protect your data, including encryption in transit and at rest. However, no method of transmission over the Internet is 100% secure.

9. Children's Privacy

The Service is not directed at children under 13. We do not knowingly collect information from children under 13.

10. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new policy on this page.

11. Contact

For questions about this Privacy Policy or to exercise your data rights, please email hello@multiphonics.app or use the Contact page.