Privacy Policy

Effective date: November 15, 2025

Welcome to MH Fan Controller IOT (the "App"), developed and published by Nexsys Controls Pvt Ltd ("we", "us", or "our"). This Privacy Policy explains what information we collect, how we use it, who we share it with, and your choices about that information. This policy applies to information collected through the App and related services.

1. Information We Collect

We collect information necessary to provide and improve the App. The types of information include:

Device & Usage Information: Device model, operating system version, unique device identifiers, crash reports, performance data, and App usage statistics (e.g., how often features are used).
Configuration & Sensor Data: Non-personalized data sent by your MH Fan Controller hardware and the App such as fan speed settings, schedules, sensor readings (temperature, humidity, on/off state), session timestamps, and device IDs. This data is used to control and display the device state in the App.
Account & Authentication Data: If you create an account, we may collect your email address and password (securely hashed). We use this for authentication and to associate device data with your account.
Log & Diagnostic Data: Logs and diagnostic information to help troubleshoot and improve the App.

2. How We Use Information

We use collected information for the following purposes:

To operate, maintain, and provide the App's core features (device control, live data, scheduling, and history).
To authenticate users and manage accounts.
To analyze usage and performance to improve the App and user experience.
To send important notices and updates about the App (e.g., security updates or critical bug fixes).
To provide customer support and respond to inquiries.

3. Legal Basis for Processing (Where Applicable)

When required by law (for example under the EU GDPR), our lawful bases for processing your personal data are:

Performance of a contract (to provide the services you request, such as device control and data storage).
Legitimate interests (to maintain and improve the App, secure accounts, and prevent fraud).
Consent (where we ask for specific permissions or optional telemetry/analytics).

4. Sharing & Disclosure

We will not sell your personal information. We may share information in the following limited circumstances:

Service Providers: Third-party vendors who perform services on our behalf (cloud hosting, analytics, crash-reporting). These providers are contractually bound to only process data as needed to provide their services.
Legal Requirements: When required to comply with laws, legal process, or to protect the rights, property, or safety of Nexsys Controls, our users, or the public.
Business Transfers: In connection with a merger, sale, acquisition, or other change of control, provided that the acquiring party agrees to protect your information as described in this Privacy Policy.

5. Third-Party Services & SDKs

The App may use third-party services for analytics, crash reporting, and cloud hosting. These services may collect certain information (device identifiers, crash logs, usage metrics). Please refer to the third-party providers' privacy policies for details. Examples include cloud providers and analytics SDKs used to monitor app performance.

6. Data Retention

We retain your information only as long as necessary to provide the App and services, comply with legal obligations, resolve disputes, and enforce agreements. For device telemetry and sensor history, retention periods can vary; users may be able to delete or clear historical data via the App's settings.

7. Security

We take reasonable technical and organizational measures to protect data against unauthorized access, loss, alteration, or destruction. However, no internet transmission or storage system is 100% secure. You should secure your account credentials and device network (Wi‑Fi) as well.

8. Your Rights & Choices

Depending on where you live, you may have rights regarding your personal data, including the right to access, correct, or delete your personal data, withdraw consent, or object to processing. To exercise these rights, contact us at the address below. We will comply with requests as required by applicable law.

9. Children's Privacy

The App is not intended for children under 13 (or higher age as required in your jurisdiction). We do not knowingly collect personal information from children. If you believe a child under the applicable age has provided personal data, please contact us to request deletion.

10. International Transfers

Data collected by the App may be stored and processed in India or other countries where our service providers operate. By using the App, you consent to transfer of information to countries that may have different data protection laws.

11. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. If we make material changes, we will update the effective date above and provide notice within the App or via email (if you have provided one).

12. How to Contact Us

If you have questions, requests, or complaints about this Privacy Policy, contact us:

Company: Nexsys Controls Pvt Ltd
App: MH Fan Controller IOT
Website: https://nexsys.in
Email: nexsysrnd@gmail.com
Address: Bangalore, India