Privacy Policy
Last updated: March 23, 2026
This policy details how Mundocuento (developed and maintained by The Martinez Labs) handles user information to provide interactive reading, AI speech narration, multi-device synchronization, and accessibility features for families.
1. Data Controller
The data controller is The Martinez Labs. For any questions, requests, or privacy inquiries regarding your personal information, reach us directly at:[email protected].
2. Information Processed
Depending on the capabilities utilized, Mundocuento may handle:
- Account and Login Details: Email address and encrypted session credentials managed securely through Firebase Authentication.
- Reading Preferences: Story bookmarks, reading progress tracking, preferred narration cadence, selected synthetic voices, and accessibility typography settings.
- Offline Device Storage: Downloaded audio clips and story texts stored locally via Expo FileSystem to enable reading without internet connectivity.
- Technical Telemetry: Device identifiers and anonymized crash logs used strictly to ensure application stability and reliability.
3. Purpose of Processing
Data is utilized solely to preserve reading state across family devices, deliver synthesized voice playback, and maintain the performance of the native mobile client.
4. Children and Family Protection
Mundocuento is designed for family co-reading. Account creation and content downloads must be supervised by parents or legal guardians. We never collect biometric data, fine location coordinates, nor do we run behavioral advertising.
5. Infrastructure & Security
Cloud synchronization is hosted on Google Firebase infrastructure with encryption in transit and at rest. We never sell, rent, or trade reader data.
6. Access & Erasure Rights
You may request access to or complete deletion of all personal data tied to your account at any time by contacting [email protected].