# Privacy Policy for Tabata Timer
**Effective Date:** June 10, 2026
Gao Ming (referred to as "we", "us", or "our") operates the **Tabata Timer** mobile application (referred to as the "App"). This page informs you of our policies regarding the collection, use, and disclosure of personal data when you use our App and the choices you have associated with that data.
By downloading, installing, or using the App, you agree to the collection and use of information in accordance with this policy.
---
## 1. Information Collection and Use
We prioritize your privacy. The App is designed to operate with minimal data collection to ensure a private and secure workout tracking experience.
### A. Personal Data
* **No Account Required:** You do not need to create an account or provide any personal information (such as your name, phone number, physical address, or gender) to use the App.
* **No Server-Side Collection:** We do not collect, transmit, or store any of your personal data on external servers.
### B. Workout Data (Stored Locally)
* All your workout configurations, customized timers, preferences, and workout logs are stored **locally** on your device using local storage (such as `SharedPreferences`).
* This data never leaves your device and is not shared with us or any third parties. If you uninstall the App, this locally stored data will be deleted.
### C. In-App Purchases & Subscriptions
* The App offers premium features through subscriptions managed by **RevenueCat** and processed via **Google Play Billing**.
* **Financial Information:** All financial transactions are handled securely by Google Play. We do not collect, process, or store your credit card information, bank details, or billing address.
* **Subscription Management:** RevenueCat helps us verify and manage your premium subscription status using anonymous, system-generated identifiers. Please review their privacy policy for details on how they handle data.
---
## 2. Third-Party Services
To provide specific functionalities (like subscription processing and ratings), the App integrates third-party Software Development Kits (SDKs) and services. These third-party services may collect info used to identify you in accordance with their respective privacy policies:
* **Google Play Services** (used for app delivery, updates, and core functionality):
* [Google Privacy Policy](https://policies.google.com/privacy)
* **Google Play In-App Review API** (used to prompt for reviews):
* [Google Privacy Policy](https://policies.google.com/privacy)
* **RevenueCat** (used for subscription status management):
* [RevenueCat Privacy Policy](https://www.revenuecat.com/privacy)
---
## 3. Permissions Requested by the App
To function properly, the App requests the following permissions from your Android device:
* **Internet Access (`INTERNET`):** Required for verifying subscription status through RevenueCat and checking Google Play Services.
* **Billing Service (`BILLING`):** Required to process in-app purchases and subscriptions via Google Play.
* **Post Notifications (`POST_NOTIFICATIONS`):** Required to show timer status, workout steps, and alerts in your system notification drawer.
* **Foreground Service (`FOREGROUND_SERVICE` & `FOREGROUND_SERVICE_HEALTH`):** Required to keep the timer running accurately and playing audio prompts in the background while you are working out or if your screen is locked.
---
## 4. Children's Privacy
The App is designed for a general audience and does not address anyone under the age of 13. We do not knowingly collect personally identifiable information from children under 13. If you are a parent or guardian and you are aware that your child has provided us with personal information, please contact us so that we can take necessary actions.
---
## 5. Security of Data
The security of your data is important to us. Since your workout data is stored locally on your device, its security depends on your device's security controls. We encourage you to secure your device with a PIN, pattern, or password to prevent unauthorized access.
---
## 6. Your Data Rights and Data Deletion
We respect your rights regarding your data.
* **Data Deletion:** Because the App does not collect, transmit, or store any of your personal data or workout records on external servers, we do not hold any data to delete. You have complete control over your data: you can delete all of your locally stored workout configurations and app settings at any time by clearing the App's data/cache in your Android device's settings, or by uninstalling the App.
---
## 7. Changes to This Privacy Policy
We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Effective Date" at the top of this policy. You are advised to review this Privacy Policy periodically for any changes.
---
## 8. Contact Us
If you have any questions or suggestions about this Privacy Policy, please contact us:
* **By Email:** [hjvv350@gmail.com](mailto:hjvv350@gmail.com)