Privacy Policy

Level IoT

Last Updated: June 18, 2026

Introduction

Welcome to Level IoT (hereinafter referred to as "the App"). We understand the importance of personal information to you and will do our utmost to protect the security of your personal information. This Privacy Policy is intended to explain how we collect, use, store, and protect your personal information, as well as the rights you are entitled to.

Please read and fully understand the entire content of this Privacy Policy before using the App. By using the App, you acknowledge that you have fully understood and agree to all terms of this Privacy Policy. If you do not agree with any provision of this Privacy Policy, please discontinue use of the App immediately.

1. Information We Collect

1.1 Information You Voluntarily Provide

In the course of using the App, we may collect the following information that you voluntarily provide:

• Account Information: When you log in, we collect your username and password for identity verification and account management.
• Password Change Information: When you change your login password, we collect your old password and new password to complete the password update.

1.2 Information We Automatically Collect

In the course of using the App, we may automatically collect the following information:

• Login Credentials: An authentication token, used to maintain your login session.

1.3 Information We Do NOT Collect

We do NOT collect the following types of information:

• Device Identifiers (e.g., IDFA, IDFV)
• Location Data
• Contact Lists
• Photos or Media Files
• Health Data
• Browsing History

2. How We Use Information

The information we collect will be used for the following purposes:

• Service Provision: To provide you with core functions such as device management, data monitoring, and data parsing.
• Identity Verification: To verify your identity and ensure account security.
• Data Display: To display your device data such as oil level, water level, temperature, and volume in text and graphical formats.
• Security Protection: To detect and prevent security threats, fraud, or other malicious activities.

3. Information Storage

3.1 Local Storage

The following data is stored solely on your device and is never uploaded to our servers:

• Device Aliases: Custom nicknames you assign to your devices.
• Login Credentials: Your username, password, and session token are stored locally using iOS Keychain for secure authentication recall ("Remember Me" functionality).

3.2 Server Storage

The following data is stored on our servers:

• Account Credentials: Your username and encrypted password, used for authentication.
• Device Data: Oil level, water level, temperature, volume, and related measurements transmitted from your IoT devices.
• Session Tokens: Authentication tokens for maintaining your login session.

4. Information Sharing and Disclosure

We undertake not to sell, trade, or rent your personal information to any third party. We may disclose your information only when required by law or to protect our legal rights.

5. Information Security

We employ industry-standard security technologies and measures to protect your personal information from unauthorized access, use, modification, or disclosure:

• Transmission Security: Token-based authentication is used to protect API communication security.
• Password Protection: Your password is stored encrypted on the server. We cannot view your plaintext password.
• Local Storage Security: Login credentials on your device are stored in the iOS Keychain, which is hardware-backed encrypted storage.
• Access Control: Strict user permission management ensures you can only access authorized devices and data.
• Data Isolation: Data of different users is isolated from each other to ensure data security.

Although we have implemented the above security measures, please note that no method of electronic storage or transmission over the Internet is 100% secure.

6. Your Rights

In accordance with applicable laws and regulations, you are entitled to the following rights:

• Right of Access: You have the right to access your personal information and device data through the App.
• Right of Correction: You have the right to modify your device aliases and change your password through the App.
• Right of Deletion: You have the right to clear locally stored credentials by logging out, and to delete your device aliases through the App.
• Account Deletion: You may request deletion of your account and associated server data by contacting us.

To exercise the above rights, please contact us through the contact information below.

7. Privacy Protection

We do not knowingly collect personal information . If you discover that we may have collected personal information, please contact us promptly, and we will take immediate steps to delete such information.

8. Third-Party Services

This App does not integrate any third-party SDKs, analytics tools, advertising networks, or external libraries. All functionality is implemented using Apple's native system frameworks (SwiftUI, Foundation, Security). No third-party services collect or process your data.

9. Updates to This Privacy Policy

We may update this Privacy Policy from time to time based on business developments or changes in laws and regulations. The updated Privacy Policy will be published on this page with the update date noted at the top. For significant changes, we will notify you through in-app notifications or other appropriate means. Please review this Privacy Policy regularly to stay informed about the latest privacy protection information.

Your continued use of the App constitutes your acceptance of the updated Privacy Policy.

10. Contact Us

If you have any questions, comments, or suggestions regarding this Privacy Policy, or need to exercise your personal information rights, please contact us through the following means:

• Email: gridcell@163.com

We will respond to your request within 15 business days.