Account and Data Deletion

1. Delete Directly in the App

1. HSK 4 In the app, Settings go to the tab.
2. Account ManagementSelect .
3. To delete only this app's learning records, select HSK 4 → Delete account, or to delete the learning records and login account for all DayPrep apps, select Delete DayPrep Account Permanently.

2. Request Deletion by Email

If it is difficult to access the app, contact@daylab.dev with the email address you used to sign up and the scope of deletion (HSK 4 learning records, or the entire DayPrep account). We will process your request without delay after verifying your identity.

3. Scope of Deletion and Retention

• Account information, learning records, app settings, push tokens, and device-linkage information are destroyed according to the selected scope of deletion.
• Among One-on-one inquiries, inquiries concerning payment, subscriptions, refunds, withdrawal of orders, or pricing, and inquiries raising errors or defects in paid features while using them, including inquiry details, administrator responses, and attached images, are not destroyed immediately because they are records of consumer complaints or dispute resolution pursuant to Article 6(1)4 of the Enforcement Decree of the Act on Consumer Protection in Electronic Commerce. They are disconnected from the account and retained separately from other personal information, and are destroyed once 3 years have passed from the later of the membership withdrawal date and the date of the last inquiry or response. All other inquiries, including error reports, feature suggestions, and questions about how to use the service, are destroyed without delay upon withdrawal or deletion.
• Payment and transaction records are retained for 5 years and then destroyed pursuant to the Act on Consumer Protection in Electronic Commerce.
• Deleting the app alone does not delete data synchronized to the server, so the data must be deleted through the above procedure.