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Privacy Policy

Last updated: 6 July 2026

Xilandi ("we", "our" or "Xilandi") develops and operates the Xilandi — Changana e Macua mobile app (the "App") and the website xilandi.com (the "Site"). This Privacy Policy explains how we collect, use, store and protect your information when you use our services.

By using the App or the Site, you agree to the practices described in this policy. If you do not agree, please do not use our services.

1. Information we collect

1.1. Information you give us

  • Account data: name, email address and password (stored encrypted) when you create an account.
  • Communications: messages you send us through support (by email, for example).

1.2. Information collected automatically

  • Learning progress: completed lessons, quiz answers, experience points (XP), study streaks and your position in the weekly leaderboard.
  • Usage data: features used, session time and interactions within the App, so we can improve the experience.
  • Device data: device model, operating system, language and the technical identifiers the App needs in order to work.

1.3. Payment information

Premium subscriptions are processed by the Apple App Store or Google Play. We do not collect or store credit or debit card details. We only receive confirmation of the subscription status (active, expired or cancelled) in order to unlock premium access on your account.

1.4. Cookies

The Site uses cookies and similar technologies (Google Analytics) to measure aggregate usage and improve your experience. We also store your theme preference and whether you have dismissed the cookie notice in your browser. You can block or delete cookies in your browser settings.

2. How we use your information

  • Create and manage your account;
  • Save and sync your learning progress across devices;
  • Show the weekly leaderboard and other community features (only your username and XP are visible to other users);
  • Process and validate your subscription status;
  • Respond to support requests;
  • Analyse usage in aggregate form to improve the App;
  • Comply with legal obligations.

3. Sharing information

We do not sell your personal data. We share information only in the following situations:

  • Service providers: hosting, analytics and infrastructure services that help us operate the App, subject to confidentiality obligations;
  • App stores: Apple and Google process subscription payments under their own privacy policies;
  • Legal obligations: when required by law or by a competent authority;
  • Other users: only your username and score (XP) in the weekly leaderboard.

4. Data retention

We keep your data for as long as your account is active or as long as it is needed to provide the services. When you delete your account, your personal data is removed from our systems within a maximum of 30 days, except where the law requires us to keep it for longer.

5. Your rights

You have the right to:

  • Access the personal data we hold about you;
  • Correct inaccurate or outdated data;
  • Delete your account and the data associated with it;
  • Withdraw consent for processing based on consent;
  • Lodge a complaint with the competent data protection authority.

You can delete your account directly in the App settings, or contact us at suporte@xilandi.com to exercise any of these rights.

6. Security

We use appropriate technical and organisational measures to protect your data, including encryption in transit (HTTPS) and secure password storage. No system is completely secure, but we work continuously to protect your information.

7. Children's privacy

The App may be used by minors in a language-learning context. We do not knowingly collect more data from minors than the service needs in order to work. If you are a parent or guardian and believe a minor has given us personal data without your consent, contact us so that we can remove it.

8. International transfers

Our infrastructure providers may be located outside Mozambique. In those cases, we make sure the data is handled with an adequate level of protection and in line with this policy.

9. Changes to this policy

We may update this Privacy Policy from time to time. We will publish the updated version on this page, with the new update date. Significant changes will be announced in the App or by email.

10. Contact

For questions about this Privacy Policy or about your personal data, contact us: