Privacy Policy

1. Introduction

This Privacy Policy describes how Product Craft LLC, doing business as Mustr ("Mustr," "we," "us," or "our"), collects, uses, and shares information when you use our mobile application and related services (the "Service").

Mustr helps organizers fill games or events by managing invitations to regular participants and substitutes.

By using the Service, you agree to the collection and use of information as described in this Privacy Policy.

2. Information We Collect

a. Information You Provide

We may collect:

• Name
• Email address
• Content you create within the app (such as notes or messages visible to members of a group)

b. Information Collected Automatically

When you use the Service, we may collect:

• IP address
• Device type, operating system, and browser information
• App usage data and analytics
• Crash reports and error logs

We use Google Analytics to help understand how users interact with the Service.

c. Emails & Communications

We send transactional emails such as invitations, reminders, and account-related notices. We may also send promotional or marketing emails; you may opt out of marketing emails at any time by using the unsubscribe link in the email or by contacting us.

d. Payments

All payments are processed by Apple App Store and Google Play. We do not collect or store your payment card information.

e. Information We Do Not Collect

We do not collect:

• Phone numbers
• Profile photos
• Government ID numbers
• Health or biometric data
• Employment screening information

3. How We Use Information

We use information to:

• Provide and operate the Service
• Communicate with users
• Improve features, performance, and analytics
• Send marketing communications
• Maintain security, prevent abuse, and comply with legal obligations

Legal Basis for Processing (EU/UK Users)

If you are located in the European Union or United Kingdom, we process your personal data based on the following legal grounds:

• Contract performance: Processing necessary to provide you with the Service (e.g., account creation, sending event invitations)
• Legitimate interests: Processing for analytics, security, and service improvement, where these interests are not overridden by your rights
• Consent: Where you have provided consent for specific processing activities, such as marketing communications
• Legal obligation: Processing required to comply with applicable laws

4. Sharing of Information

We do not sell your personal information.

We may share information with:

• Service providers, including:
  • Cloud infrastructure and hosting providers (e.g., Digital Ocean)
  • Database services (e.g., MongoDB Atlas)
  • Email delivery services
  • Analytics providers (e.g., Google Analytics)
• App stores (Apple and Google)
• Authorities if required by law or to protect rights and safety

All service providers are required to protect your information.

5. Cookies & Tracking

Our web components do not intentionally set cookies, except for those used by analytics tools such as Google Analytics.

We provide a simple disclosure rather than a cookie consent banner.

6. Data Retention

We retain personal information only as long as necessary to provide the Service, comply with legal obligations, or resolve disputes.

7. Data Security & Breach Notification

We use reasonable administrative, technical, and organizational measures to protect information. However, no system is 100% secure.

In the event of a data breach affecting your personal information, we will notify affected users and relevant authorities as required by applicable law.

8. Your Rights

a. U.S. & California Residents

You have the right to request access to your personal information, request deletion of your information, and opt out of marketing emails. We do not sell personal information as defined by the CCPA/CPRA.

b. EU / UK Residents

You may have rights to access, correct, or delete your data; restrict or object to processing; and request data portability. To exercise rights, contact [email protected].

c. Account Deletion

To delete your account and associated data, please email [email protected].

9. Children's Privacy

Mustr is intended for users 13 years and older. We do not knowingly collect personal information from children under 13.

10. International Users

Your information may be processed in the United States. By using the Service, you consent to this transfer.

11. Changes to This Policy

We may update this Privacy Policy from time to time. The updated version will be posted with a revised "Last Updated" date.

12. Contact Us

Questions or requests: [email protected]