Privacy Policy

Just Say (hereinafter referred to as the "App") values your personal information and complies with relevant laws and regulations. This Privacy Policy explains what information we collect, how we use it, and how we protect your rights.

1. Information We Collect

The App collects only the minimum information necessary to provide the service.

A. Information from Social Logins

The App supports Apple and Facebook login via Firebase Authentication, which may collect:

• Basic Profile Info: Name (nickname), Email address, Profile picture URL.
• Identifier (UID): A unique identifier issued by the social login provider.

B. Information Generated During Service Use

• Voice Data: Your voice is processed temporarily when using pronunciation practice and AI conversation features. (Voice data is not permanently stored on our servers and is immediately destroyed after analysis or processed locally on your device.)
• Device Info: Device type, OS version, and App usage logs.

2. Purpose of Collection and Use

• Account Management: Identity verification, prevention of unauthorized use, and account maintenance.
• Service Provision: Providing AI-based pronunciation correction, conversation practice, and saving learning progress.
• Service Improvement: Bug fixes, performance optimization, and usage statistics analysis.

3. Third-Party Disclosure

In principle, the App does not provide your personal information to third parties. Exceptions are made only when required by law or requested by investigative agencies through legal procedures.

4. Data Retention and Disposal

Once the purpose of collecting and using personal information is achieved, the information is destroyed without delay.

• Upon Account Withdrawal: Data is destroyed immediately (except where retention is required by law to prevent fraudulent use).

5. User Data Deletion

Users can request the deletion of their personal information at any time. Just Say supports data deletion as follows:

A. Deletion via App

1. Launch and log in to the Just Say app.
2. Go to Settings or Profile.
3. Click Delete Account.
4. Upon confirmation, your Firebase Authentication account and all linked data will be permanently deleted immediately.

B. Deletion via Email

If you cannot access the app, you can request deletion by email:

6. Privacy Officer