Dayseer (“we”, “us”) takes your privacy seriously. This privacy policy explains how we collect, use and protect your personal information through our applications, including but not limited to Qimen Chart.
By using our applications, you agree to the practices described in this privacy policy. If you do not agree with this policy, please do not use our applications.
1. Information we collect
Our applications are designed to minimize the collection of personal information. We may collect the following types of information:
1.1 Information you provide
When you use Qimen Chart to create charts, the dates, times and other information you enter are processed locally on your device and are not sent to our servers.
1.2 Automatically collected information
We may automatically collect the following anonymous usage information through third-party analytics tools such as Firebase Analytics:
- App usage frequency and feature usage statistics
- Device model and operating system version
- App crash reports
- General geographic location (country or region level)
This information is collected anonymously and cannot be used to identify you personally.
1.3 Information we do not collect
- Names, email addresses or other personal contact information
- Precise geographic location
- Photos, contacts or other personal data on your device
- Payment or financial information
2. How we use information
We use the anonymous information we collect only for the following purposes:
- Improving app functionality and user experience
- Diagnosing and resolving technical issues
- Understanding usage patterns to plan future features
We do not use your information for advertising or sell it to third parties.
3. Data storage and security
Chart data you create in the app, including charts and favorites, is stored locally on your device. We do not store your personal chart data on remote servers.
Anonymous usage data collected through analytics tools is processed and stored by Google Firebase and protected by its security measures. For details, please see the Firebase privacy policy.
4. Third-party services
Our applications may use the following third-party services:
- Google Firebase Analytics — for anonymous usage analytics
- Apple App Store — for app distribution and updates
These third-party services have their own privacy policies. We recommend reviewing their terms.
5. Children’s privacy
Our applications are not directed at children under 13. We do not knowingly collect personal information from children. If you believe we have inadvertently collected a child’s information, please contact us and we will promptly delete the relevant data.
6. Your rights
You have the following rights:
- Delete the app at any time to remove all local data
- Disable analytics data collection through your device settings
- Contact us to request deletion of any anonymous data collected
7. Policy changes
We may update this privacy policy from time to time. Changes will be posted on this page and the “Last updated” date will be revised. For significant changes, we will notify you through an in-app notice or another appropriate method.
We recommend checking this page regularly for the latest privacy protection measures.
8. Contact us
If you have any questions or suggestions about this privacy policy, please contact us: