Privacy Policy - Ta na Lista

Last Updated: November 7, 2025

            Summary: Ta na Lista respects your privacy. We collect only the information necessary to provide our shopping lists and tasks management services, and protect your data with security.
        

1. Introduction

Welcome to Ta na Lista ("we", "our" or "App"). This Privacy Policy explains how we collect, use, disclose, and protect your information when you use our mobile application for managing shopping lists and tasks.

By using Ta na Lista, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

2.1. Account Information

Google Authentication: Name, email address, profile picture, and unique ID when you sign in with your Google account
User ID: Unique identifier generated by Firebase Authentication

2.2. Lists and Tasks Data

List Items: Name, quantity, priority, status, and notes of items you add to your lists
Shopping Lists: Shopping lists created, including items, categories, and settings
Tasks: Tasks created, including description, due date, priority, status, and comments
Calendar: Dates and events related to your tasks

2.3. Groups and Sharing Data

Groups: Information about groups you create or join, including group name, members, and permissions
Invitations: Information about invitations sent and received for groups
Shared Lists: Lists and tasks shared with other users
Comments: Comments added to shared tasks

2.4. App Usage Data

Statistics: Number of completed tasks, lists created, progress, and usage history
Settings: App preferences, theme (light/dark), notification settings
Widgets: Data necessary to display widgets on the device home screen

2.5. Device Information

Device model, operating system version, unique device identifiers
App crash and performance information
IP address and connection information

3. How We Use Your Information

We use the collected information to:

Provide the Service: Create and manage your lists and tasks, sync data between devices, enable sharing in groups
Improve the App: Analyze usage patterns to improve features and fix bugs
Communication: Send push notifications about task reminders, group updates, and other relevant information (with your consent)
Security: Detect and prevent fraud, protect against malicious activities
Advertising: Display personalized ads through Google AdMob
Widgets: Display information from your lists and tasks in widgets on the device home screen

4. Third-Party Services

Ta na Lista integrates the following third-party services that may collect information:

4.1. Firebase (Google)

Firebase Authentication: Login and user authentication management
Cloud Firestore: Storage of user data, lists, tasks, and groups
Firebase Cloud Messaging: Push notifications for reminders and updates
Firebase Functions: Server-side processing of operations related to groups, tasks, and users

4.2. Google AdMob

Displays personalized ads in the application
Collects advertising identifiers and ad interaction data

4.3. Google Sign-In

Allows quick and secure authentication using your Google account
Collects basic profile information (name, email, photo) to create your account

5. Data Sharing

We DO NOT sell your personal data.

We share information only in the following circumstances:

Service Providers: With the third-party services mentioned above to operate the application
Group Sharing: When you participate in groups, your shared lists and tasks are visible to other group members
Legal Requirements: When required by law, court order, or legal process
Rights Protection: To protect our rights, property, or safety, or those of our users

6. Data Retention

We retain your information for as long as necessary to:

Provide our services while you have an active account
Comply with legal obligations, resolve disputes, and enforce agreements

If you request account deletion, we will remove your personal information within 30 days, except data we must retain for legal requirements. Lists and tasks shared in groups may remain visible to other members even after you leave the group.

7. Data Security

We implement technical and organizational security measures to protect your information:

Data encryption in transit (HTTPS/TLS)
Data encryption at rest in Firebase
Strict access controls to systems
Secure authentication through Firebase Authentication
Firestore security rules to protect user data

Important: No transmission or storage method is 100% secure. While we strive to protect your data, we cannot guarantee absolute security.

8. Your Rights and Choices

8.1. Data Access and Control

Access: View the data we have about you through the application
Correct: Update incorrect information directly in the application
Delete: Request deletion of your account and data through support contact
Export: Receive a copy of your data in portable format

8.2. App Permissions

You can manage app permissions in your device settings:

Notifications: For task reminders and group updates (optional)
Storage: To save data locally and sync with the cloud

8.3. Group Sharing

You can control which lists and tasks to share in groups
You can leave groups at any time
You can remove members from groups you created

8.4. Ad Personalization

Manage ad preferences at: https://adssettings.google.com

9. Children's Privacy

Ta na Lista is not directed to children under 13 years old. We do not knowingly collect personal information from children. If we discover that we have collected data from a child without parental consent, we will take steps to delete that information.

10. International Data Transfers

Your data may be transferred to and maintained on servers located outside your country, where data protection laws may be different. By using Ta na Lista, you consent to this transfer.

We use service providers (Firebase/Google) that adhere to internationally recognized data protection frameworks.

11. Changes to This Policy

We may update our Privacy Policy periodically. We will notify you of significant changes by:

Posting the new Privacy Policy on this page
Updating the "Last Updated" date
Sending an email or in-app notification (for important changes)

We recommend reviewing this policy periodically. Changes take effect immediately after being posted.

12. GDPR Compliance - European Users

For users in the European Union, we ensure your rights under GDPR:

Right to access your personal data
Right to rectification of inaccurate data
Right to erasure ("right to be forgotten")
Right to restrict processing
Right to data portability
Right to object to processing
Rights related to automated decision-making

13. Contact

If you have questions, concerns, or requests related to this Privacy Policy or the handling of your personal data, please contact us:

Email: suport.michely@gmail.com
App Name: Ta na Lista
Developer: M4trix

We will respond to all legitimate requests within 30 days.

Versão em Português Disponível

A Portuguese version of this Privacy Policy is available at: Política de Privacidade (Português)