Mateo Learning

Privacy Policy

Last updated: May 25, 2026

This Privacy Policy describes how the Mateo Learning app collects, uses, stores, and shares information from users.

Mateo Learning is an application focused on language learning. By using the application, you agree with the practices described in this Privacy Policy.

1. Which device resources the app uses

The application may request access to the following device resources:

• Camera: used for reading QR Codes within the app.
• Microphone: used for pronunciation practice activities and voice interaction.
• Photo Gallery: used to select and save images related to lessons and user profile.
• Internet: used for authentication, content synchronization, communication with servers, and general app operation.

2. Which data can be collected

Depending on your use of the application, we may collect the following information:

• Registration data, such as name, email, and account identifiers.
• App usage information, such as progress in lessons, completed activities, and study preferences.
• Audio recordings made by the user during pronunciation exercises.
• Technical information about the device, such as model, operating system, language, and basic error logs.
• Data generated from QR Code reading, when this resource is used.

3. How data is used

The collected data may be used to:

• enable the operation of the application's features;
• authenticate the user and keep their account active;
• record learning progress and personalize the experience;
• enable pronunciation exercises using audio;
• improve app performance, security, and stability;
• comply with legal and regulatory obligations, when applicable.

4. Data storage

Data may be stored locally on the device and/or on servers used by Mateo Learning, as necessary for service operation.

• Account and progress data may be stored in a secure database.
• Pronunciation audio may be processed and stored for the time necessary to provide the corresponding functionality.
• Technical logs and error records may be stored temporarily for maintenance and security.

5. Data sharing

Mateo Learning does not sell personal data from users.

Data may only be shared in the following situations:

• with infrastructure, hosting, authentication, analytics, or processing providers, when necessary to operate the app;
• when required by law, court order, or valid request from a competent authority;
• to protect the rights, security, and integrity of the application, users, and third parties.

5.1 Third-party services used

Mateo Learning uses the following third-party services, which may collect data according to their own privacy policies:

• Firebase (Google): authentication, database, push notifications, analytics, and error reporting.
• Apple App Store / Google Play: processing in-app purchases.

You can consult the privacy policies of these services on their respective websites.

6. Sensitive permissions

The app requests permissions considered sensitive only for specific functionalities:

Android

• android.permission.CAMERA: for reading QR Codes.
• android.permission.RECORD_AUDIO: for pronunciation practice and voice resources.

iOS

• NSCameraUsageDescription: for reading QR Codes and capturing images.
• NSMicrophoneUsageDescription: for pronunciation practice and audio recording.
• NSPhotoLibraryUsageDescription: for selecting images from the device gallery.
• NSPhotoLibraryAddUsageDescription: for saving images generated by the app to the gallery.
• NSSpeechRecognitionUsageDescription: for pronunciation evaluation through voice recognition.

These permissions are not used for hidden purposes or for functionalities unrelated to the main operation of the application.

7. User rights

The user can, when applicable:

• request access to their data;
• request correction or update of registration information;
• request account deletion and data removal, respecting applicable retention obligations;
• revoke device permissions at any time in system settings.

8. Security

We adopt reasonable security measures to protect data against unauthorized access, alteration, disclosure, or improper destruction. However, no system is completely free from risks.

9. Children and adolescents

If the application is used by minors, use must occur in compliance with applicable legislation and, when necessary, with supervision of parents or guardians.

10. Changes to this policy

This Privacy Policy may be updated periodically. We recommend that users review this page frequently to keep up with any changes.

11. Responsible party contact

For questions, requests related to personal data, or contact about this Privacy Policy, please use:

• Responsible: Mateo Learning Team
• Email: contato@idiomatch.com
• Website: www.idiomatch.com