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Privacy Policy

Last Updated: September 28, 2026

1. Who we are

The Dile Lang app (the “App”) for Android and iOS and this website are published by Andina Reisen SAC, a company incorporated in Peru (“we”, “us”). We are the controller of the personal data described in this Privacy Policy.

If you have any questions about your privacy, email us at [email protected].

2. Summary

  • You do not need to create an account or give us your name, email, phone number or any other personal data to use the App.
  • Your learning progress is stored only on your device; we do not send it to any server.
  • The App contains no advertising, no analytics tools and no third-party tracking SDKs.
  • We do not sell, rent or share personal data.
  • Payments are processed by Google Play or Apple’s App Store; we never see your card details.

3. Data stored on your device

To work, the App stores the following information only in its private storage on your device (a local database):

  • your level and progress (A1 to C1), streaks and practice statistics;
  • the exercises in your “Mistakes Chest”;
  • your settings (language, sound, reminders);
  • the status of your purchases, to unlock the features you bought.

This data never leaves your device and we have no access to it. If you have turned on system backup (for example Google backup or iCloud), your operating system may include it in your personal backup, which Google or Apple manage according to your settings and their own policies.

4. Data we do not collect

The App does not collect or transmit your name, email address, phone number, location, contacts, photos, voice recordings, advertising ID, browsing history or App usage data.

5. Permissions and audio

  • Notifications (optional): if you turn on the daily reminder, the App schedules local notifications on your phone. Nothing is sent to any server, and you can turn them off at any time in the App or system settings.
  • Pronunciation: the App uses your device’s text-to-speech engine, which is provided by the operating system (for example Google or Apple) and is subject to its own settings and privacy policy. The App only passes it the German words and phrases to be spoken. The App does not use the microphone or record your voice.

6. In-app purchases

Purchases and subscriptions are processed entirely by Google Play Billing (Android) or the App Store (iOS). Google and Apple process your payment data as independent controllers under their own privacy policies (Google, Apple). We never receive your card details.

The App only receives a purchase confirmation from the store (product, status and transaction ID) to unlock the relevant features, and keeps it on your device. Google and Apple provide us with sales reports (for example order number, product, amount and country), which we use only for accounting, tax obligations, refunds and customer support, and keep for the period required by law.

7. Technical information from the stores and this website

  • Stores: Google Play and the App Store show us aggregated, anonymous statistics (for example number of installs, country or OS version and, if you allowed it in your device settings, crash reports). This data is collected by the store, not by the App, and does not allow us to identify you.
  • Website: this site uses no cookies, analytics or advertising. Like any website, our hosting provider may temporarily log technical data (IP address, browser and requested page) to serve the pages and protect them against abuse.

8. If you contact us

If you email us, we process your email address and the content of your message only to reply to you. The legal basis is our legitimate interest in answering your request or, where it concerns a purchase, the performance of a contract.

We keep these messages as long as needed to resolve your request and delete them no later than 12 months after our last contact, unless the law requires us to keep them longer. Our email provider may store them on servers outside your country; in that case we apply the safeguards required by applicable law (for example the European Union’s standard contractual clauses).

9. Who we share data with

We do not sell or share personal data with third parties for advertising or any other purpose. We would only disclose the little information we hold (support emails and sales reports) if required by law, or in the event of a merger, acquisition or sale of the company, in which case we would inform you.

10. Security

Because your learning data never leaves your device, it is protected by your operating system’s safeguards (per-app private storage and device encryption). Data you send us by email is protected with restricted access and encrypted connections. However, no system is 100% secure, so we recommend keeping your device up to date and protected with a screen lock.

11. Data retention and deletion

  • Progress on your device: you can delete it at any time from the App settings. Uninstalling the App permanently deletes all data it stores on your device.
  • Accounts: the App does not let you create an account, so there is no account and none of your learning data on our servers to delete.
  • Emails and other data: to ask us to delete the messages you sent us or any other data about you, email [email protected]. We will reply within 30 days at the latest.
  • Purchases: payment data is managed by Google or Apple; you can review or delete it from your Google or Apple account.

12. Children

The App is an educational tool for a general audience and is not specifically directed at children under 13. We show no advertising and collect no personal data from any user, including children. Purchases require the account holder’s Google or Apple account, and parents or guardians can control them with the store’s parental controls (for example Google Family Link or Apple Family Sharing). If you believe a child has sent us personal data by email, contact us and we will delete it.

13. Your rights

Depending on where you live (for example under the EU General Data Protection Regulation, the UK GDPR, Peru’s Personal Data Protection Law No. 29733 or US state laws such as the CCPA), you may have the right to access, correct or delete your data, to restrict or object to its processing, to data portability and to withdraw your consent. Since almost all data exists only on your device, you can exercise many of these rights directly in the App. For anything else, email us at [email protected] and we will reply within the time required by law (usually one month).

We do not sell or “share” personal data as defined by the CCPA, we do not build profiles and we do not make automated decisions about you. You also have the right to lodge a complaint with the data protection authority in your country (in the EU, that of your Member State; in Peru, the National Authority for Personal Data Protection).

14. Changes to this policy

We may update this policy, for example when we add new features. The date of the last update is shown above. If a change is significant (for example, if we started collecting new data), we will announce it in the App or on the store listing before it takes effect.

15. Contact

Andina Reisen SAC · Peru · Email: [email protected]