Terms of Service

Last Updated: December 19, 2025

Welcome to HeyReader (hereinafter referred to as "this application" or "we"). Before using this application, please carefully read these Terms of Service (hereinafter referred to as "these Terms"). When you download, install, or use this application, it means you have read, understood, and agreed to accept all the contents of these Terms. If you do not agree to any content of these Terms, or cannot accurately understand the meaning of the relevant terms, please do not use this application.

Important Notice: This application uses a completely localized data storage method and does not require account registration. All data generated during your use of this application (including but not limited to reading materials, annotations, notes, vocabulary lists, etc.) is stored on your local device. We do not collect, upload, or store this data on any server.

I. Service Description

1.1 Service Content

HeyReader is an immersive reading application designed for language learners. Its main functions include:

• Intelligent word segmentation and syntactic analysis;
• Instant translation function;
• Vocabulary management and memory algorithms;
• Support for multiple file formats (EPUB, PDF, RSS, etc.);
• Customizable reading interface and typesetting.

1.2 Service Changes

We reserve the right to modify or interrupt the service at any time without notifying users. We exercise the right to modify or interrupt the service without being responsible to users or third parties.

II. Data Storage and Backup

2.1 Local Data Storage

This application uses a completely localized data storage method. All data generated when you use this application (including reading materials, annotations, notes, vocabulary lists, etc.) is stored on your local device. We cannot access or obtain this data.

2.2 Data Security Responsibility

Since data is completely stored on your local device, you are responsible for:

• Properly keeping your device safe to prevent unauthorized access;
• Regularly backing up important data to prevent data loss due to device loss or damage;
• Using your device's security features (such as passwords, fingerprints, etc.) to protect your device.

2.3 Data Deletion

You can delete the application or data within the application at any time. After uninstalling the application, all locally stored data will be deleted. We are not responsible for any losses caused by uninstalling the application or deleting data.

III. User Conduct Standards

When using this application, you agree to comply with the following conduct standards:

• You shall not use this application to engage in any behavior that violates laws, regulations, or social morality;
• You shall not upload, publish, or disseminate information containing the following content:
  • Content that opposes the basic principles established by the constitution;
  • Content that endangers national security, leaks state secrets, subverts state power, or undermines national unity;
  • Content that damages national honor and interests;
  • Content that incites ethnic hatred, ethnic discrimination, or undermines ethnic unity;
  • Content that undermines national religious policies or promotes cults and feudal superstitions;
  • Content that spreads rumors, disrupts social order, or undermines social stability;
  • Content that spreads obscenity, pornography, gambling, violence, murder, terrorism, or instigates crime;
  • Content that insults or slanders others or infringes upon the legitimate rights and interests of others;
  • Content that contains other content prohibited by laws and administrative regulations.
• You shall not engage in any behavior that may adversely affect the normal operation of this application;
• You shall not use any technical means to interfere with or damage the services of this application;
• You shall not use this application for any commercial activities unless you obtain our written permission.

IV. Intellectual Property

4.1 Our Intellectual Property

All intellectual property rights of this application, including but not limited to trademarks, patents, copyrights, trade secrets, etc., belong to us or relevant right holders. Without our written permission, you may not use or create related derivative works in any form.

4.2 User Content

The intellectual property rights of content you add while using this application, such as reading materials, notes, annotations, etc., belong to you or relevant right holders. Since this content is completely stored on your local device, we cannot access, use, or disseminate your content.

You have complete control and ownership of locally stored content. You can view, edit, delete, or export this content at any time.

4.3 Third-Party Content

This application may contain content or links provided by third parties. The intellectual property rights of this content belong to third parties. We are not responsible for the accuracy, completeness, or legality of third-party content.

V. Privacy Protection

We value your privacy protection. For details on how we collect, use, store, and protect your personal information, please read our Privacy Policy carefully.

VI. Disclaimer

6.1 Service Provision

This application is provided on an "as is" and "as available" basis. We do not make any statements or guarantees regarding the following:

• The services of this application will meet your requirements;
• The services of this application will be uninterrupted, timely, secure, or error-free;
• Any information or advice obtained through this application will be accurate or reliable;
• Any defects in this application will be corrected.

6.2 Content Accuracy

We do not guarantee the accuracy, completeness, or timeliness of functions such as translation and word segmentation provided through this application. You understand and agree that these functions are for reference only and should not be used as the sole basis.

6.3 Limitation of Liability

To the maximum extent permitted by law, we are not liable for any direct, indirect, incidental, special, or consequential damages caused by the use or inability to use this application.

VII. Service Interruption and Termination

7.1 Service Interruption

We may interrupt or terminate the services provided to you under the following circumstances:

• You violate these Terms;
• Required by laws and regulations;
• To maintain system security or protect the rights and interests of other users;
• Unable to provide services due to force majeure.

7.2 Data Backup

Since your data is completely stored on your local device, we strongly recommend that you regularly backup important data. You can backup data in the following ways:

• Using your device's system backup function;
• Manually exporting application data to other locations;
• Using cloud storage services to sync data (if you choose to use them).

We are not responsible for data loss caused by device loss, damage, system failure, or user operation errors.

VIII. Modification of Terms

We have the right to modify these Terms when necessary. The modified terms will be published within this application. If you do not agree to the modified terms, please stop using this application. Continued use of this application is deemed as your acceptance of the modified terms.

IX. Applicable Law and Dispute Resolution

9.1 Applicable Law

The conclusion, execution, and interpretation of these Terms and the resolution of disputes shall be governed by the laws of the People's Republic of China.

9.2 Dispute Resolution

If any dispute arises between the parties regarding the content of these Terms or their execution, both parties shall try to resolve it through friendly consultation; if consultation fails, either party may file a lawsuit with the people's court with jurisdiction in our location.

X. Other Terms

10.1 Complete Agreement

These Terms constitute the complete agreement between you and us regarding the use of this application and replace any oral or written agreements previously reached between you and us on the same matters.

10.2 Severability

If any term of these Terms is determined to be invalid or unenforceable, that term shall be interpreted to reflect the original intent of both parties, and the remaining terms shall remain fully effective.

10.3 Contact Us