Privacy Policy
1. Introduction
Protecting your personal data is important to us. This privacy policy explains what data we collect, for what purpose, and how it is used, in accordance with the General Data Protection Regulation (GDPR).
We only collect data that is strictly necessary to provide the features described below. No data is collected or processed for purposes beyond those explicitly stated.
2. Data Controller
DouDou-Chinese
Email: hello@doudou-chinese.com
If you have any questions about this privacy policy or the processing of your data, you can contact us at the email address above.
3. Data We Collect and Why
a) Flashcard Ratings
What data is collected
- Ratings provided by users for flashcards
Purpose
- To improve and evaluate flashcard content and learning quality
Legal basis
- Legitimate interest (Art. 6(1)(f) GDPR)
The ratings are used only for evaluating and improving the flashcards and are not used for profiling or marketing.
b) User Identification
What data is collected
- An anonymous user identifier (RevenueCat ID), or
- An email address, only if the user chooses to sign in
Purpose
- To associate flashcard ratings and usage with a specific user
- To enable account-related functionality if the user signs in
Legal basis
- Performance of a contract or pre-contractual measures (Art. 6(1)(b) GDPR)
- Consent, where applicable (Art. 6(1)(a) GDPR)
Users can use the service anonymously. Providing an email address is optional.
c) Newsletter Subscription
What data is collected
- Email address
Purpose
- To send the newsletter
Legal basis
- Consent (Art. 6(1)(a) GDPR)
The email address is used exclusively for sending the newsletter and is not shared or used for any other purpose. Users can unsubscribe at any time via the link provided in each newsletter.
4. No Further Use of Data
The collected data is not:
- Used for advertising or tracking
- Sold or shared with third parties for marketing purposes
- Combined with other data sources
- Used for automated decision-making or profiling
Data is processed only for the purposes explicitly described in this policy.
5. Data Storage and Retention
Data is stored only for as long as necessary to fulfill the stated purposes or until the user:
- Deletes their account, or
- Withdraws consent (e.g. by unsubscribing from the newsletter)
Anonymous data that can no longer be linked to an identifiable user may be retained for statistical or analytical purposes.
6. Your Rights
Under GDPR, you have the right to:
- Access your data (Art. 15 GDPR)
- Rectify inaccurate data (Art. 16 GDPR)
- Delete your data (Art. 17 GDPR)
- Restrict processing (Art. 18 GDPR)
- Object to processing based on legitimate interest (Art. 21 GDPR)
- Withdraw consent at any time (Art. 7(3) GDPR)
To exercise your rights, please contact us at [your contact email].
7. Changes to This Privacy Policy
This privacy policy may be updated if the scope of data processing changes. The current version will always be available within the app or on the website.
Optional notes (if applicable)
If you use third-party services to process data (e.g. Mailchimp, Firebase, RevenueCat, hosting providers), GDPR typically requires listing them as data processors. This policy intentionally stays minimal based on the scope you described.