← Back to Gesture Synth

GESTURE SYNTH · PRIVACY

Privacy Policy

Last updated October 18, 2026

Gesture Synth is a musical instrument created by Eric Wei that uses hand tracking to let people explore music through gestures. This policy explains how information is handled across the official Gesture Synth website, browser-based instrument, and iOS app.

What this policy covers

This policy applies to the following official properties and services operated by Eric Wei:

This policy does not govern independently operated websites, apps, or services, even if they use similar names, designs, or concepts. For example, GestureSynth.com and Gesture.live are outside the scope of this policy. Their operators are responsible for explaining their own privacy practices.

A similar name does not necessarily indicate a relationship with Eric Wei or this project.

01 · WEBSITE

The personal website

The official website provides information about Eric Wei and Gesture Synth. Like many websites, it uses analytics and interaction measurement tools to understand how visitors use the site and to identify opportunities for improvement.

Analytics services

The website uses the following services:

  • Google Analytics 4 to measure website traffic and usage patterns.
  • Microsoft Clarity to understand interactions through features such as session recordings and interaction analytics.
  • Vercel Analytics to measure website traffic and performance-related usage information.

Depending on the service and its configuration, these providers may process information such as page visits, navigation, clicks, browser and device details, approximate location, referring pages, and interaction events. Session recordings may capture how you interact with page elements.

These tools are provided by third parties and may process information under their own privacy terms. Their collection, storage, and retention practices can change independently of this policy.

02 · BROWSER APP

Gesture Synth in your browser

The browser instrument uses your device's camera to detect hand movements and translate them into musical controls. Camera access is requested through your browser.

Camera and hand tracking

Hand tracking is processed locally in your browser. The application code reviewed for this policy does not intentionally send camera footage to Eric Wei's servers for hand tracking. The app may download software, machine-learning models, and other resources needed to run.

The browser app does not need microphone access for its core hand-tracking and instrument features.

Usage analytics

Microsoft Clarity is used on the browser app to measure interactions and understand how people use its features. This may include page activity, clicks, navigation, and custom events related to using the instrument and its tutorial.

Session recording settings can affect what is captured or masked. The camera area has appeared masked in recordings reviewed during development, but this observation is not a guarantee that all information is always masked under every configuration.

The browser app's hand-tracking process and third-party analytics are separate: local hand tracking does not mean that no information about website usage is processed by external providers.

03 · IOS APP

Gesture Synth for iOS

Camera and hand tracking

The iOS app uses the camera to track hand movements. The hand-tracking process is designed to run on your device. Camera access is required for this feature.

Optional performance recordings

If you choose to record a performance, the app can request microphone access and combine microphone audio with a visual representation of your performance. The recording feature is intended to save the resulting video to your device's Photos library.

In the iOS recording flow reviewed for this policy, the recording is created on the device and passed to the Photos saving functionality. The reviewed code does not intentionally upload these recordings to Eric Wei's servers.

Recordings may contain your voice and other sounds picked up by the microphone. You are responsible for deciding when to record and for managing or deleting saved recordings.

Permissions

You can manage camera, microphone, and Photos permissions in iOS settings. If you deny a permission, the feature that depends on it may not work. You can delete saved recordings through Photos.

Third-party services

The iOS app uses platform functionality and software components to provide its features. The source code reviewed for this policy did not show an initialization of the website's Google Analytics or Microsoft Clarity tools in the main app files. This is a description of the reviewed code, not a guarantee about every service provided by Apple, the operating system, or third-party dependencies.

04 · SHARED DETAILS

How information is handled

Accounts and information you provide

The core Gesture Synth experiences do not require you to create an account. If you contact Eric Wei by email or another communication channel, the information you provide may be used to respond to your message and manage the resulting conversation.

How information is used

Information may be used to operate and maintain the services, understand usage, diagnose problems, improve features, respond to inquiries, and protect the services against misuse.

Sharing

Information may be processed by service providers that support website hosting, analytics, application functionality, or communications. Those providers may process information under their own terms and privacy policies. Information may also be disclosed where required by law or where necessary to protect rights, safety, or the services.

Cookies and similar technologies

The website and its service providers may use cookies or similar technologies for analytics and site functionality. Available controls depend on the browser, device, and relevant service. You can review browser settings to manage cookies and certain tracking technologies.

Retention

Information is retained for as long as reasonably necessary for the purposes described in this policy, subject to applicable legal and operational requirements. Analytics providers may retain information according to their own settings and retention policies. Their current retention periods have not been independently verified for this policy.

Your choices and privacy rights

  • You can deny or revoke camera and microphone permissions in your browser or device settings.
  • You can stop using the browser app or close the website.
  • You can manage browser cookies and certain tracking technologies through available browser settings.
  • You can delete performance recordings saved in Photos.
  • Depending on where you live, you may have legal rights to access, correct, or request deletion of certain personal information.

To ask a question or make a privacy-related request, contact Eric Wei using the details below. Requests may need to be verified before they can be fulfilled.

Children's privacy

Gesture Synth is not intended to collect personal information from children unnecessarily. If you believe a child has provided personal information through a channel operated by Eric Wei, please get in touch so the concern can be reviewed.

Security

Reasonable measures are taken to protect information handled through the services. No website, device, or method of electronic storage or transmission can be guaranteed to be completely secure.

Changes to this policy

This policy may be updated as Gesture Synth and its supporting services evolve. The latest version will be published at this URL, with the updated date shown near the top.

05 · CONTACT

Privacy questions?

For privacy questions or requests concerning the official Gesture Synth properties covered by this policy, contact Eric Wei.

hello@indecisiveeric.com

Official website: indecisiveeric.com