隐私政策

This Privacy Policy applies to the Kaeru Android app, a currency converter published by Quantum Quacks (referred to as "we", "us" or "our") and distributed through the Google Play Store.

1. 数据控制者

• Controller: Quantum Quacks
• Website: https://quantumquacks.es
• Contact email: contacto@quantumquacks.es

2. Summary: Kaeru does not collect personal data

Kaeru has no user accounts, no advertising, no analytics and no tracking, and it contains no third-party SDKs. We do not collect, receive or store any personal data. Everything the app keeps stays on your device.

3. 存储在您设备上的数据

Kaeru keeps the following in its private storage on your device:

• The last exchange rates it downloaded, so that it works offline.
• The two currencies you selected and the last amount you typed.
• Whether it has already offered you the home-screen widget.

None of this leaves your device, and it is excluded from Android backups. To delete it, clear the app's storage or uninstall the app.

4. Internet connection: exchange rates

To keep rates up to date, Kaeru downloads a public file in the background, about once a day, from the open exchange-api project. The file is served by jsDelivr (cdn.jsdelivr.net) or, as a fallback, by Cloudflare Pages (latest.currency-api.pages.dev).

These are standard requests for the same public file everyone gets. They contain no personal data, no identifier, and neither the currencies you use nor the amounts you type. As with any request on the internet, those providers can see your IP address and basic technical details of the request. We do not receive that information. Their own privacy policies apply to it.

5. Permissions

Kaeru requests only INTERNET, to download the rates, and ACCESS_NETWORK_STATE, so that it waits for a connection before trying. It does not access your location, contacts, files, camera or microphone.

6. Home-screen widget

The widget shows the same amounts as the app, on your home screen. Your launcher displays it on your device, and we receive nothing from it.

7. Google Play

Google Play handles downloads and updates under Google's Privacy Policy. Google gives developers aggregated statistics, such as install counts, and crash and performance reports from people who chose to share them with Google. We use these only to improve the app. They do not identify you.

8. Children

Kaeru is a general-purpose tool and is not directed at children. It collects no personal data from anyone, including children.

9. Your rights

Because we hold no personal data about you, there is nothing for us to access, correct or delete. If you have any request or question about your data, write to us and we will answer.

10. Changes to this policy

我们可能会根据法律、技术或服务的变化更新本政策。最新版本将始终发布在此网址，并更新“最后更新”日期。

11. Contact

如对本隐私政策有任何疑问，请通过 contacto@quantumquacks.es 联系我们。