Privacy Policy

1. Introduction

This application (the “App”) is provided by Yoshinn CO., LTD. (“we”, “our”, “us”). We value your privacy and are committed to protecting your personal data. This Privacy Policy explains how we collect, use, store, share, and safeguard your personal information globally, as well as the rights you are entitled to.

By using the App, you acknowledge that you have read and agreed to this Privacy Policy. If you do not agree, please stop using the App immediately.

For any inquiries, please contact: support@yoshinn.com

2. Information We Collect and How We Use It

We follow the principles of lawfulness, fairness, necessity, and transparency. We only collect information required to provide and improve our services.

2.1 Account Information

We collect and use the following information to create and manage your account:

• Name or nickname
• Email address
• Mobile number
• Information provided by the enterprise administrator (if applicable)

Purpose: account creation, login authentication, and permission management.

2.2 Device and Technical Information

We may collect the following device and technical information:

• Device model, OS version, system language
• IP address, time zone, network connection status
• Unique device identifiers (e.g., IDFV, Android ID, IMEI, MAC address)
• App crash logs and error logs

Purpose: service optimization, problem diagnosis, and compatibility improvement.

2.3 Audio/Video Communication Data

When you use audio/video functions, we may process:

• Camera video (only after explicit permission and when enabled)
• Microphone audio (only after explicit permission and when enabled)
• Technical quality data (frame rate, latency, packet loss, jitter, etc.)
• Screen-sharing content (only when actively shared by you)

We do not record, store, or analyze your real-time call content.

2.4 Permissions (Used Only After Authorization)

To provide certain functionalities, the App may request the following permissions. These permissions are only used after you grant authorization:

• Audio/Video Meeting – Camera, Microphone (for real-time communication)
• Join Meeting – Clipboard access (to auto-fill meeting IDs)
• QR Scanning – Camera, light sensor (for scanning and exposure adjustment)
• Screen Sharing – Screen recording (to share screen content)
• Network Diagnostics – Network status (to detect connectivity)

You may disable these permissions in your device settings, but certain features may no longer function properly.

2.5 Cookies and Similar Technologies

We may use cookies and similar technologies for the following purposes:

• Maintaining login sessions
• Enhancing security
• Improving service experience

You may disable cookies in your browser or system settings; however, some functionalities may be limited as a result.

3. How We Use Your Information

We use your information to:

• Provide the core functionalities of the App
• Maintain, optimize, and improve our services
• Enhance account security and prevent fraud or abuse
• Send important service notifications
• Comply with applicable laws and regulations
• Other purposes with your explicit consent

We do not use your information for purposes not described in this Policy.

4. Information Sharing and Disclosure

4.1 When We May Share Information

We may share your information in the following circumstances:

• With third-party service providers that support our operations (e.g., cloud services, messaging services, analytics tools);
• When required by laws, regulations, or competent authorities in accordance with legal procedures;
• With enterprise administrators where your account is part of an enterprise account (if applicable);
• With your explicit authorization or at your request.

All third parties are required to comply with strict confidentiality and data protection obligations and may not use your information for purposes beyond those agreed.

4.2 What We Do NOT Do

• We do not sell your personal information.
• We do not share identifiable user data with advertisers.
• We do not record or analyze your communication content without your permission.

5. Cross-Border Data Access (If Applicable)

For users outside mainland China, necessary information may be accessed by systems located in your region solely for the purpose of delivering services.

We comply with the General Data Protection Regulation (GDPR) and other applicable data protection laws and adopt appropriate safeguards for cross-border data access where required.

6. Data Storage and Protection

6.1 Data Storage

• Data is stored on secure servers that meet international security standards.
• We retain your data only for as long as necessary to fulfill the purposes described in this Policy, unless a longer retention period is required or permitted by law.
• When our services are terminated, we will delete or anonymize your personal data, unless otherwise required by law.

6.2 Data Protection Measures

We implement industry-standard technical and organizational security measures, including:

• SSL/TLS encrypted transmission
• Firewalls and intrusion detection systems
• Access control and permission management
• Multi-factor authentication (MFA)
• Data anonymization or pseudonymization where appropriate

Despite our efforts, no internet-based system is absolutely secure. You should take care when sharing personal information online.

7. Your Rights

Depending on your jurisdiction, you may have the right to:

• Access your personal data
• Correct or update your personal data
• Withdraw your consent or revoke permissions
• Request deletion of your personal data under certain conditions
• Request deletion of your account
• Obtain a copy of your data, where permitted by law

You may submit such requests through the App settings, via your enterprise administrator (for enterprise accounts), or by contacting us at: support@yoshinn.com

8. Protection of Minors

If you are under the legal age in your region, your guardian must review and approve your use of the App.

We only process minors’ data in accordance with applicable laws and with guardian consent where required. If we become aware that we have collected minors’ data without proper authorization, we will promptly delete such data.

9. Regional Supplement (GDPR, UK GDPR, etc.)

For users in the EU/EEA, the UK, and other regions with similar data protection regimes, you may have additional rights, including:

• The right to data portability
• The right to restriction of processing
• The right to object to processing

We will handle such requests in accordance with the applicable regional data protection laws.

10. Updates to This Policy

We may revise this Privacy Policy from time to time due to legal, technical, or business changes. We will notify you of material changes through in-app notifications or public announcements.

Your continued use of the App after the updated Privacy Policy takes effect will be deemed as your acceptance of the updated Policy.

11. Contact Us

For privacy inquiries, data access requests, or complaints, please contact us at:

Email: support@yoshinn.com

We will respond within a reasonable timeframe.