Privacy Policy
Effective Date: January 01, 2026
Introduction
Thuong Studio (thuong.studio, "we", "our", or "us") operates VocaTrace. This Privacy Policy explains how we collect, use, and protect your information when you use our App.
Information We Collect
Data Stored Locally
- Learning progress and statistics
- User preferences and settings
- Practice history
This data is stored only on your device and is not transmitted to our servers.
Error and Crash Data (Automatically Collected)
To improve app stability and fix bugs, we automatically collect error and crash reports through Sentry, a third-party error tracking service. This includes:
- Crash logs and stack traces
- Device model and operating system version
- App version and session information
- Error messages and timestamps
This data is transmitted to Sentry's servers and is used solely for debugging and improving the app. No personally identifiable information is collected through this service.
Data We Do NOT Collect
We do not collect:
- Personal identification information (name, email, phone number)
- Location data
- User-generated content (your practice worksheets or handwriting)
- Browsing history or app usage analytics
- Advertising or tracking identifiers
Third-Party Services
The App uses the following third-party services:
Sentry (Error Tracking): We use Sentry to automatically collect crash reports and error logs to help us fix bugs and improve app stability. Sentry may collect device information, error messages, and stack traces. No personally identifiable information is included. Learn more at Sentry Privacy Policy.
Apple App Store / Google Play Store: For processing in-app purchases. These platforms have their own privacy policies.
External Translation Services (Optional): If enabled by you, the App may open external dictionary websites. These services have their own privacy policies.
Data Security
Your data is stored locally on your device using secure storage mechanisms provided by the operating system. We do not have access to your local data.
Children's Privacy
Our App is suitable for all ages and does not collect any personal information from children or adults. Parents can use the App with their children without privacy concerns.
Data Deletion
Since all data is stored locally on your device, you can delete all App data by uninstalling the App. No data remains on our servers because we don't collect any.
Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by updating the "Effective Date" at the top of this policy.
Contact Us
If you have questions about this Privacy Policy, please contact us at:
support@thuong.studio