Privacy Policy

Effective Date: March 26, 2026

Thank you for using Subtrack ("the App"). The App is developed and operated by Foshan Hypertext Technology Co., Ltd. ("we", "us", or "our"). We take your privacy seriously. This Privacy Policy explains how we collect, use, store, and protect your personal information when you use our App.

Please read this Privacy Policy carefully before using the App. By using the App, you agree to the practices described in this policy.

1. Information We Collect

We collect information to provide you with a better, more personalized service experience. The information we collect includes:

1.1 Information You Provide

1.2 Information Collected Automatically

To improve the product experience, analyze app performance, and troubleshoot issues, we integrate third-party services that may automatically collect the following non-personally identifiable information:

1.3 Cloud Backup Data (Pro Users)

If you are a Pro subscriber and signed in with your Google account, your subscription data is backed up to Google Cloud Firestore to enable cross-device synchronization and data recovery. This data includes:

2. How We Use Your Information

We use the information we collect for the following purposes:

3. Data Storage and Permissions

3.1 Data Storage

The App's core data (your subscription records) is stored locally on your device using encrypted local storage. For Pro users who are signed in, data is additionally backed up to Google Cloud Firestore with server-side security rules that restrict access to authenticated users only.

3.2 Permissions

The App may request the following permissions. You can manage these permissions at any time in your device settings:

Permission Purpose
Notifications To send local reminders when your subscriptions are about to renew.
Exact Alarms To ensure renewal reminders are delivered at the exact scheduled time.
Internet For analytics, crash reporting, cloud backup, authentication, in-app purchases, and update checks.
Storage For app update downloads (when using the in-app update feature).
Usage Access To analyze your app usage patterns and help you understand your subscription utilization (optional).

4. Third-Party Services

The App integrates the following third-party SDKs and services. These services may collect information as governed by their own privacy policies:

4.1 Google / Firebase Services

4.2 RevenueCat

4.3 Google Play Billing

5. Data Security

We take reasonable and practicable security measures to protect your personal information from loss, misuse, unauthorized access, or disclosure. These measures include:

6. Your Rights

7. Children's Privacy

The App is not directed at children under the age of 13. We do not knowingly collect personal information from children under 13. If you become aware that a child has provided us with personal information, please contact us using the information below, and we will take steps to delete such data promptly.

8. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. These countries may have data protection laws that differ from your country. By using the App, you consent to such transfers. We take steps to ensure your data is treated securely and in accordance with this Privacy Policy.

9. Changes to This Policy

We may update this Privacy Policy from time to time. When we do, we will post the revised policy on this page and update the "Effective Date" above. We encourage you to review this page periodically. Your continued use of the App after any changes constitutes your acceptance of the updated Privacy Policy.

10. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy, please contact us:

Email: help@hypertextlink.dev

Developer: Foshan Hypertext Technology Co., Ltd.