Privacy Policy

Last updated: November 27, 2025


Demix Studio ("us", "we", or "our") operates mobile applications including Best Piano, Real Piano, Pink Piano, and Arranger (collectively referred to as the "Apps" or "Service"). This Privacy Policy informs you of our policies regarding the collection, use, and disclosure of personal data when you use our Apps and the choices you have associated with that data.

By using our Apps, you agree to the collection and use of information in accordance with this policy. We are committed to protecting your privacy and complying with applicable data protection laws including GDPR, CCPA, and mobile platform requirements.

1. Information Collection and Use

We collect and process different types of information for various purposes to provide, improve, and protect our Service.

1.1 Personal Data

While using our Apps, we may ask you to provide certain personally identifiable information that can be used to contact or identify you. This may include:

  • Email address (when you contact support)
  • Name (optional, if provided)
  • Device identifiers for app functionality

1.2 Usage Data

We automatically collect certain information when you use our Apps, including:

  • Device information (model, operating system version, unique device identifiers)
  • App usage statistics (features used, session duration, crash reports)
  • Performance data and diagnostics
  • IP address and general location (country/city level only)

1.3 Analytics and Tracking

We use third-party service providers to monitor and analyze the use of our Apps:

  • Google Analytics for Firebase: Helps us understand app usage patterns and improve user experience. You can learn more about how Google uses data at https://policies.google.com/privacy
  • Crash Reporting: We collect crash reports to identify and fix bugs

2. How We Use Your Data

Demix Studio uses the collected data for the following purposes:

  • To provide, maintain, and improve our Apps
  • To provide customer support and respond to your inquiries
  • To send you technical notices, updates, and security alerts
  • To monitor and analyze usage patterns and trends
  • To detect, prevent, and address technical issues and bugs
  • To improve app performance and user experience
  • To comply with legal obligations

3. In-App Purchases and Payment Information

Our Apps may offer in-app purchases. All payment processing is handled by Apple App Store or Google Play Store. We do not collect, store, or process any payment information such as credit card details. Please refer to the privacy policies of Apple and Google for information about how they handle payment data:

4. Third-Party Services and Advertising

Our Apps may contain advertisements provided by third-party advertising networks. These networks may collect information about your device and app usage to provide relevant ads. These third parties have their own privacy policies, and we encourage you to review them:

You can opt-out of personalized advertising by adjusting your device settings:

  • iOS: Settings > Privacy > Advertising > Limit Ad Tracking
  • Android: Settings > Google > Ads > Opt out of Ads Personalization

5. Data Sharing and Disclosure

We do not sell, trade, or rent your personal information to third parties. We may share your information only in the following circumstances:

  • Service Providers: With trusted third-party service providers who assist us in operating our Apps (e.g., analytics, crash reporting)
  • Legal Requirements: When required by law or to protect our rights, property, or safety
  • Business Transfers: In connection with a merger, acquisition, or sale of assets
  • With Your Consent: When you explicitly consent to sharing your information

6. Data Retention

We retain your personal data only for as long as necessary to fulfill the purposes outlined in this Privacy Policy. Usage data and analytics are typically retained for up to 24 months, while crash reports are retained until the issue is resolved. You can request deletion of your data by contacting us.

7. Data Security

The security of your data is important to us. We implement industry-standard security measures to protect your personal information, including:

  • Encryption of data in transit and at rest
  • Regular security assessments and updates
  • Restricted access to personal data
  • Secure third-party service providers

However, no method of transmission over the Internet or electronic storage is 100% secure. While we strive to protect your personal data, we cannot guarantee its absolute security.

8. Children's Privacy

Our Apps are designed for general audiences and do not knowingly collect personal information from children under the age of 13 (or the applicable age of consent in your jurisdiction).

If you are a parent or guardian and believe that your child has provided us with personal data, please contact us. If we become aware that we have collected personal data from children without verification of parental consent, we will take immediate steps to remove that information from our servers.

Parents can use device parental controls and restriction features to manage their children's app usage.

9. Your Data Rights

Depending on your location, you may have the following rights regarding your personal data:

  • Access: Request access to your personal data
  • Correction: Request correction of inaccurate data
  • Deletion: Request deletion of your personal data
  • Data Portability: Request a copy of your data in a structured format
  • Withdraw Consent: Withdraw your consent to data processing at any time
  • Object to Processing: Object to our processing of your personal data
  • Opt-out of Marketing: Opt-out of receiving marketing communications

To exercise any of these rights, please contact us at mustafademir013@gmail.com. We will respond to your request within 30 days.

10. International Data Transfers

Your information may be transferred to and maintained on servers located outside of your country or jurisdiction where data protection laws may differ. By using our Apps, you consent to the transfer of your information to these locations. We ensure appropriate safeguards are in place to protect your data in accordance with this Privacy Policy.

11. California Privacy Rights (CCPA)

If you are a California resident, you have additional rights under the California Consumer Privacy Act (CCPA):

  • Right to know what personal information is collected
  • Right to know if personal information is sold or disclosed
  • Right to opt-out of the sale of personal information (we do not sell personal information)
  • Right to deletion of personal information
  • Right to non-discrimination for exercising your rights

12. European Privacy Rights (GDPR)

If you are located in the European Economic Area (EEA), you have rights under the General Data Protection Regulation (GDPR), including the rights mentioned in Section 9. Our legal basis for processing your data includes:

  • Consent: You have given explicit consent
  • Contract: Processing is necessary to provide the Service
  • Legal Obligation: Processing is required by law
  • Legitimate Interests: Processing is necessary for our legitimate business interests

13. Do Not Track Signals

Some browsers support "Do Not Track" signals. Our Apps do not currently respond to Do Not Track signals, but you can opt-out of personalized advertising as described in Section 4.

14. Links to Other Sites

Our Apps may contain links to other websites or services that are not operated by us. If you click on a third-party link, you will be directed to that third party's site. We have no control over and assume no responsibility for the content, privacy policies, or practices of any third-party sites or services.

15. Changes to This Privacy Policy

We may update our Privacy Policy from time to time to reflect changes in our practices, technology, legal requirements, or other factors. We will notify you of any material changes by:

  • Posting the new Privacy Policy on this page
  • Updating the "Last updated" date at the top of this policy
  • Sending you a notification through the App (for material changes)

You are advised to review this Privacy Policy periodically for any changes. Your continued use of the Apps after any changes indicates your acceptance of the updated Privacy Policy.

16. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:

We will respond to all requests within a reasonable timeframe, typically within 30 days.