Privacy Policy - Unknown Messenger

Last Updated: January 18, 2026

The ProgrammerCat team (referred to as "we", "us", or "our") built the Unknown Messenger app as a Free app. This SERVICE is provided at no cost and is intended for use as is.

This page is used to inform visitors regarding our policies with the collection, use, and disclosure of Personal Information if anyone decided to use our Service.

If you choose to use our Service, then you agree to the collection and use of information in relation to this policy.

Legal Basis for Processing

We process your personal data based on the following legal grounds:

1. Contractual Necessity: To provide core features (e.g., storing local contacts).
2. Legitimate Interest: For improving our service, ensuring security, and serving advertisements to keep the app free.
3. Consent: Where required, we obtain your consent for personalized advertising and analytics.

Information Collection and Use

While using our Service, we and our partners may collect the following categories of information:

1. Locally Stored Information (User Provided)

• Phone Numbers and Names: If you use the "Virtual Contacts" feature, these are stored locally on your device in a private database. We do not upload this data to any servers.

2. Automatically Collected Information (Third-Party SDKs)

Our third-party partners (Google AdMob and Firebase) collect data to provide advertising, analytics, and app stability:

• Device Identifiers: Including Advertising ID, IP address, and hardware model.
• Approximate Location: Coarse location data inferred from your IP address to serve relevant regional ads.
• Diagnostics and Performance: Crash logs, performance metrics, and app interaction data.

Third-Party Service Providers

• Google Play Services
• AdMob
• Firebase Analytics/Crashlytics

Data Retention and Deletion

• Local Data: You can delete any saved contact at any time through the "Manage Contacts" interface. Uninstalling the app permanently deletes all local data.
• Third-Party Data: Data collected by partners (like AdMob) is retained according to their own policies.

Your Global Data Rights (GDPR / CCPA / LGPD / VCDPA)

Depending on your location (EU, Brazil, USA, etc.), you have the following rights:

1. Right to Access/Portability: View all stored data directly in the "Manage Contacts" screen.
2. Right to Rectification: Edit any saved contact information within the app.
3. Right to Erasure: Delete contacts or uninstall the app to erase data.
4. Right to Opt-Out: Opt-out of personalized ads via device settings ("Opt out of Ads Personalization").
5. Right to Lodge a Complaint: You have the right to lodge a complaint with a data protection authority in your country.

Regional Disclosures

California (CCPA)

We provide California residents the right to know, delete, and opt-out of the "sharing" of personal information for targeted advertising.

Brazil (LGPD)

We comply with the General Data Protection Law (LGPD) of Brazil. Users in Brazil may exercise their rights to access and delete data by contacting us.

Virginia (VCDPA)

We honor the rights of Virginia residents to access, delete, and opt-out of targeted advertising.

Contact Us

If you have any questions or wish to exercise your data rights, contact our Data Controller:

Developer Name: ProgrammerCat
Email: admin@programmercat.com
Data Protection Officer: ProgrammerCat Support Team