This privacy policy is applicable to the Serial Flow app (hereinafter referred to as "Application") for mobile devices (Android), which was developed by 郭逸超 (hereinafter referred to as "Service Provider") as a Freemium and Subscription-based service. This service is provided "AS IS".
For a better experience, while using our Service, the Application may require you to provide us with certain personally identifiable information (PII). This includes:
The information that the Service Provider requests will be retained by them and used as described in this privacy policy.
The Application collects certain technical and usage information automatically. This data is anonymized and cannot be linked back to a specific individual. This information includes, but is not limited to:
The Service Provider uses this anonymized data solely for the following purposes:
The Application offers paid products and/or services (e.g., "Pro" subscriptions). In that case, the Service Provider uses third-party services for payment processing (e.g. payment processors).
The Service Provider does not store or collect your payment card details. That information is provided directly to our third-party payment processors whose use of your personal information is governed by their Privacy Policy. These payment processors adhere to the standards set by PCI-DSS as managed by the PCI Security Standards Council.
The payment processors we work with are:
Please note that subscriptions typically renew automatically unless cancelled at least 24 hours before the end of the current period. You can manage and cancel your subscriptions in your account settings on the App Store or Google Play Store.
The Application limits the collection of PII to what is necessary for account management and syncing.
The Service Provider will only use your direct email contact information (if provided voluntarily for support or account syncing services) to provide required notices or direct support regarding the Application.
Only anonymized and non-personally identifiable data is periodically transmitted to external services to aid the Service Provider in improving the Application and their service. The Service Provider may share your information with third parties in the ways that are described in this privacy statement.
Please note that the Application utilizes third-party services that have their own Privacy Policy about handling data. Below are the links to the Privacy Policy of the third-party service providers used by the Application:
The Service Provider may disclose Automatically Collected Information:
The Service Provider will retain User Provided Data for as long as you use the Application and for a reasonable time thereafter.
Account Deletion: If you wish to delete your account and associated data (including your email and cloud-synced settings), you can do so by:
Upon receiving a deletion request, we will remove your PII from our active databases (Firebase Auth) within a reasonable timeframe, unless required to retain it for legal or compliance reasons.
The Service Provider does not use the Application to knowingly solicit data from or market to children under the age of 13.
The Application does not address anyone under the age of 13. The Service Provider does not knowingly collect personally identifiable information from children under 13 years of age. In the case the Service Provider discover that a child under 13 has provided personal information, the Service Provider will immediately delete this from their servers. If you are a parent or guardian and you are aware that your child has provided us with personal information, please contact the Service Provider (support@serialflow.io) so that they will be able to take the necessary actions.
The Service Provider is concerned about safeguarding the confidentiality of your information. The Service Provider provides physical, electronic, and procedural safeguards to protect information we process and maintain. For example, we limit access to this information to authorized employees and contractors who need to know that information in order to operate, develop or improve their Application. Please be aware that, although we endeavor provide reasonable security for information we process and maintain, no security system can prevent all potential security breaches.
This Privacy Policy may be updated from time to time for any reason. The Service Provider will notify you of any changes to the Privacy Policy by updating this page with the new Privacy Policy. You are advised to consult this Privacy Policy regularly for any changes, as continued use is deemed approval of all changes.
This privacy policy is effective as of 2025-12-21.
By using the Application, you are giving your consent to the Service Provider processing of your information as set forth in this Privacy Policy now and as amended by us. "Processing", means using cookies on a computer/hand held device or using or touching information in any way, including, but not limited to, collecting, storing, deleting, using, combining and disclosing information.
If you have any questions regarding privacy while using the Application, or have questions about the practices, please contact the Service Provider via email at support@serialflow.io.