Welcome to Vocab Ai! We highly value your privacy and personal information security. This privacy policy explains how we collect, use, store, and protect your personal information. Please read and fully understand this privacy policy before using our services.

I. Basic Information

• Application Name: Vocab Ai
• Developer: Vocab Ai Team
• Contact: If you need to contact us, please reach out through the in-app feedback feature.

II. Information We Collect

2.1 Information You Actively Provide

• Vocab Aiulary Data: Words, definitions, parts of speech, phonetic transcriptions, example sentences, and other learning content that you manually add or add through camera recognition
• Learning Records: Your learning progress, review records, learning settings, etc.
• Account Information (if applicable): If you use iCloud sync functionality, relevant information will be associated with your Apple ID

2.2 Automatically Collected Information

• Device Information: Device model, operating system version, application version, and other basic information
• Usage Data: Application feature usage, performance data, error logs, etc. (used to improve application experience)
• iCloud Data: If you enable iCloud sync functionality, your vocabulary data will be stored in your iCloud account

2.3 AI Service Related

When you use features such as AI auto-fill or AI-generated example sentences, we will send the words you input to the Deepseek API service to obtain corresponding definitions and example sentences. We do not store the specific content you send to the AI service.

III. Purpose of Information Use

We collect and use your information for the following purposes:

• 1. Provide Core Functionality: Provide you with core features such as vocabulary learning, review, and memory management
• 2. Data Synchronization: Synchronize learning data across your multiple devices through iCloud
• 3. AI Services: Provide you with AI intelligent filling, example sentence generation, and other features
• 4. Improve Services: Analyze usage to optimize application performance and user experience
• 5. Technical Support: Resolve issues you encounter during use

IV. Information Storage and Security

4.1 Data Storage Location

• Local Storage: Your vocabulary data is primarily stored locally on your device
• iCloud Storage: If you enable iCloud sync, data will be stored in your iCloud account, with Apple responsible for data security
• Third-Party Services: We use Deepseek API to provide AI features, and related data processing follows its privacy policy

4.2 Data Security Measures

We adopt industry-standard security technologies and management measures to protect your personal information:

• Use end-to-end encryption to protect data transmission
• Adopt access control and permission management mechanisms
• Regularly conduct security assessments and vulnerability fixes

4.3 Data Retention Period

• Your vocabulary data will be retained until you actively delete it or uninstall the application
• If you delete your account, relevant data will be deleted (except for information required to be retained by laws and regulations)

V. Third-Party Services

We may use the following third-party services:

5.1 Apple Services

• iCloud: Used for data synchronization and backup
• StoreKit: Used for in-app purchases and subscription management

5.2 AI Services

• Deepseek API: Used to provide AI intelligent filling and example sentence generation features. When you use these features, relevant data will be sent to Deepseek services for processing.

These third-party services have their own independent privacy policies, and we recommend that you read them carefully.

VI. Your Rights

According to relevant laws and regulations, you have the following rights regarding your personal information:

• 1. Right to Access: You can view and manage data stored in the application at any time
• 2. Right to Correction: You can modify your vocabulary data and learning records at any time
• 3. Right to Deletion: You can delete data in the application at any time, or delete all local data by uninstalling the application
• 4. Right to Withdraw Consent: You can disable iCloud sync or stop using related features at any time
• 5. Data Export (if applicable): You can export your learning data through application features

VII. Children's Privacy Protection

We highly value the protection of children's personal information. If you are under 14 years old, please use this application under the guidance of your guardian. We do not intentionally collect personal information from children. If you find that we have collected children's information without our knowledge, please contact us promptly, and we will immediately delete the relevant information.

VIII. Information Sharing and Disclosure

Except for the following circumstances, we will not share, transfer, or disclose your personal information to third parties:

• 1. With your explicit consent
• 2. Required by laws and regulations or judicial authorities
• 3. Necessary to fulfill service agreements or resolve disputes
• 4. In emergencies, to protect the life and property safety of users or the public

IX. Privacy Policy Changes

We may update this privacy policy from time to time. The updated privacy policy will be published on this page, with the effective date clearly marked in a prominent position. We recommend that you regularly check this privacy policy to understand the latest changes. If changes involve significant content, we may notify you through in-app notifications or other means.

X. Scope of Application

This privacy policy applies to the Vocab Ai application and all features and services it provides.

XI. Contact Us

If you have any questions, comments, or suggestions about this privacy policy, or need to exercise your rights, please contact us through the following methods:

• In-app feedback feature
• Or send an email to: mooyucc@qq.com

We will reply within 15 business days after receiving your request.

XII. Others

12.1 Applicable Law

The interpretation, execution, and dispute resolution of this privacy policy are subject to the laws and regulations of the People's Republic of China.

12.2 Dispute Resolution

If a dispute arises from this privacy policy, both parties shall negotiate in good faith to resolve it. If negotiation fails, either party may file a lawsuit with the people's court with jurisdiction in the developer's location.