EMWave Privacy Policy

Effective Date: August 28, 2026

EMWave is developed and operated by Hangzhou Xishang Technology Co., Ltd. (“Xishang Technology”, “we”, “us”, or “our”).

This Privacy Policy explains how EMWave collects, uses, stores, and protects information when you use the EMWave desktop application and related services.

Website:
https://xishangsoftware.com/

Support Email:
[email protected]

1. Information We Collect

EMWave collects only the information reasonably necessary to provide account, licensing, purchase verification, and application services.

1.1 Account Information

If you create an EMWave account, we may process:

Email address
Account identifier
Authentication status
Account creation and verification information
Pro license status

Passwords are handled through our authentication provider and are not stored by us in readable plain-text form.

1.2 Microsoft Store Purchase and License Information

If you purchase or restore EMWave Pro through the Microsoft Store, EMWave may process information required to verify your license, including:

Microsoft Store product entitlement status
Purchase verification result
EMWave Pro license status
Store-related identifiers necessary for entitlement verification
Time of license verification or restoration

Payment information such as credit card numbers, billing details, or payment credentials is processed by Microsoft.

EMWave does not directly collect or store your credit card or payment information.

1.3 Device Authorization Information

EMWave may maintain limited device authorization information in order to support license restoration, device limits, and offline authorization.

This may include:

A device registration identifier generated or used by EMWave
Associated account identifier
License activation status
Last successful authorization time
Device authorization records

This information is used only for software licensing, security, account protection, and device management.

1.4 Scientific and Research Data

EMWave allows users to work with electromagnetic simulation, measurement, calibration, analysis, and research data.

Examples may include:

CSV files
Touchstone files
NPZ files
Measurement datasets
Simulation results
Electromagnetic field data
VNA data
RCS data
THz-TDS data
SAR and B1+ data

EMWave processes such data as part of the software's research and analysis functionality.

We do not use your scientific or research data for advertising or marketing purposes.

1.5 Support Information

If you contact us for technical support, we may receive information that you voluntarily provide, such as:

Email address
Screenshots
Error messages
Application version
Diagnostic information
Purchase or license information
Description of the problem

We use this information only to investigate and resolve your support request.

2. How We Use Information

We may use collected information to:

Create and manage EMWave accounts
Verify email addresses
Authenticate users
Provide EMWave functionality
Verify Microsoft Store purchases
Activate and restore EMWave Pro licenses
Manage authorized devices
Support limited offline license authorization
Prevent unauthorized use or license abuse
Provide customer support
Diagnose technical problems
Improve application reliability and security
Comply with applicable legal obligations

We do not use account or license information for unrelated advertising purposes.

3. Email Communications

EMWave may send transactional emails related to your account, including:

Email verification
Account confirmation
Password recovery
Security-related messages
Important account-related communications

We currently use third-party email infrastructure to deliver these messages.

These emails are service-related and are necessary for account functionality.

4. Third-Party Services

EMWave uses third-party service providers for certain functions.

Supabase

We use Supabase for services including:

User authentication
Account management
Backend database services
License-related backend functions

Supabase may process information necessary to provide these services.

Resend

We use Resend to help deliver transactional emails such as account verification emails.

Resend may process email addresses and technical delivery information required to send these messages.

Microsoft

Microsoft services are used for EMWave distribution and Pro licensing, including:

Microsoft Store
Microsoft Store purchases
Microsoft Store entitlement verification
Microsoft account and related Store services
Microsoft Entra services used in connection with Store entitlement verification

Microsoft processes payment and Store account information under its own privacy terms.

5. EMWave Pro Purchases

EMWave Pro is offered as a Microsoft Store add-on.

When you purchase EMWave Pro:

The purchase is processed by Microsoft.
Microsoft determines whether the Store transaction is successful.
EMWave verifies the relevant Store entitlement.
EMWave may associate the verified entitlement with your EMWave account.
The corresponding Pro license status is stored so that your purchase can be restored.

EMWave does not receive your full payment card information.

6. Offline Authorization

EMWave may allow an authenticated Pro license to remain temporarily usable without continuously contacting our servers.

For example, EMWave may store limited local authorization information after successful license verification.

This information is used only to provide software functionality and license validation.

Periodic online verification may be required to maintain or restore authorization.

7. Device Limits

To prevent unauthorized license sharing, EMWave may limit the number of devices associated with an account or license.

Device-related information used for this purpose is limited to what is reasonably necessary to:

Recognize authorized installations
Enforce device limits
Restore licenses
Prevent abuse

We do not use this information for advertising or behavioral profiling.

We do not sell your personal information.

We may share limited information with service providers only when necessary to operate EMWave, including providers responsible for:

Authentication
Backend infrastructure
Transactional email delivery
Microsoft Store purchasing and licensing
Security and technical infrastructure

We may also disclose information where required by applicable law, regulation, legal process, or governmental request.

9. Advertising

EMWave does not use account, license, or research data for targeted advertising.

We do not sell user information to advertisers.

10. Data Security

We use reasonable technical and organizational measures designed to protect user information.

These measures may include:

Encrypted network communications
Secure authentication services
Restricted backend access
Server-side license verification
Separation of payment processing from EMWave account systems

However, no internet-connected system can guarantee absolute security.

11. Data Retention

We retain account and license information for as long as reasonably necessary to:

Maintain your account
Restore purchased licenses
Provide customer support
Protect the service from abuse
Meet legal or regulatory obligations

Information that is no longer required may be deleted, anonymized, or retained only where legally necessary.

12. Account Deletion and User Requests

You may contact us if you want to request:

Access to your account information
Correction of inaccurate information
Account deletion
Deletion of eligible personal information
Information about how your data is processed

Contact:
[email protected]

Please note that deleting an EMWave account does not automatically cancel, refund, or remove a Microsoft Store purchase. Microsoft Store purchases are governed separately by Microsoft.

Certain purchase or transaction records may also need to be retained where required for legal, security, fraud-prevention, or accounting purposes.

13. Children's Privacy

EMWave is an engineering and scientific software application and is not specifically directed toward children.

We do not knowingly collect personal information from children for advertising or profiling purposes.

If you believe a child has provided personal information inappropriately, please contact us.

14. International Processing

Our service providers may operate infrastructure in different countries or regions.

As a result, information necessary for authentication, email delivery, licensing, and related services may be processed outside your country of residence.

Where applicable, we rely on appropriate technical, contractual, and legal safeguards.

15. Changes to This Privacy Policy

We may update this Privacy Policy when:

EMWave functionality changes
New services are introduced
Our service providers change
Legal or regulatory requirements change

The updated version will be published on our website with a revised effective date.

Continued use of EMWave after an updated Privacy Policy becomes effective may be subject to the updated terms as permitted by applicable law.

16. Contact Us

For questions, privacy requests, account issues, purchase support, or technical assistance, contact:

Hangzhou Xishang Technology Co., Ltd.