Grid: –,– · Layer –
⏺ RECORDING
● READY
Stack bricks · Compose music · Create structures
Build together in real-time. Works across any network worldwide via relay servers. Create a room and share the 6-letter code, or enter a code to join.
Join a public build room with up to 10 players. These are always-on community servers.
Last Updated: May 1, 2026
1. Operator
Build-a-Beat is operated by INT Studios™, a creative technology studio based in Geneva, Switzerland. By using this application, you agree to these Terms of Service.
2. Acceptance
By accessing or using Build-a-Beat you confirm you have read, understood, and agree to be bound by these Terms. If you do not agree, please discontinue use immediately.
3. Use License
INT Studios™ grants you a personal, non-exclusive, non-transferable, revocable license to use Build-a-Beat for personal, non-commercial purposes. You retain full ownership of all compositions and structures you create. You may not redistribute, resell, or sublicense the application itself.
4. Multiplayer & Public Rooms
Multiplayer features use PeerJS's free cloud signaling infrastructure and WebRTC peer-to-peer technology. Public rooms are provided as a community service on a best-effort basis with no uptime guarantees. No audio or brick data is stored on any INT Studios™ server. You agree not to use multiplayer features to transmit harmful, offensive, or illegal content.
5. Intellectual Property
Song preset data included in the application is provided for educational and entertainment purposes only. INT Studios™ does not claim ownership of underlying song compositions. All trademarks, service marks, and trade names are the property of their respective owners.
6. Disclaimer of Warranties
Build-a-Beat is provided "as-is" without warranties of any kind, express or implied. INT Studios™ makes no representation that the service will be uninterrupted, error-free, or free of viruses or other harmful components.
7. Limitation of Liability
To the maximum extent permitted by applicable law, INT Studios™ shall not be liable for any indirect, incidental, special, consequential, or punitive damages.
8. Governing Law
These Terms are governed by and construed in accordance with the laws of Switzerland, without regard to conflict of law principles. Any disputes shall be subject to the exclusive jurisdiction of the courts of Geneva, Switzerland.
9. Contact
For questions about these Terms, contact us at contact@studios.int.yt.
Last Updated: May 1, 2026
Operated by: INT Studios™, Geneva, Switzerland
1. Data Controller
INT Studios™ is the data controller for any personal information processed in connection with Build-a-Beat, in accordance with the Swiss Federal Act on Data Protection (FADP) and, where applicable, the EU General Data Protection Regulation (GDPR).
2. Data We Collect
Build-a-Beat is designed with privacy-first principles. We do not collect, store, or transmit:
— Your brick compositions or musical creations
— Any audio recorded or synthesized within the app
— Personal identifiers beyond those described below
The only data transmitted externally is the connection metadata required to establish WebRTC peer-to-peer sessions (handled by PeerJS's free signaling server at 0.peerjs.com). This metadata includes temporary peer identifiers and ICE candidates needed to establish the connection. It is not stored by INT Studios™.
3. Third-Party Services
— PeerJS / 0.peerjs.com: Signaling server for WebRTC. Processes temporary connection metadata only.
— Google Fonts: Font delivery. Google may log standard HTTP request metadata per their privacy policy.
— Cloudflare CDN, jsDelivr, Unpkg: JavaScript library delivery. Standard server logs may apply.
— Tone.js Audio Samples: Piano samples fetched from tonejs.github.io on first load.
4. Audio Processing
All sound synthesis, playback, and recording occurs entirely within your browser using the Web Audio API. No audio data is ever transmitted to INT Studios™ or any third party.
5. Local Storage
Build-a-Beat may store your username preference and application settings in your browser's local storage. This data never leaves your device.
6. Your Rights
Under Swiss FADP and GDPR (where applicable), you have the right to access, correct, or delete any personal data held by INT Studios™. Given that we do not collect personal data beyond what is described above, there is generally nothing to access or delete.
7. Contact
Privacy inquiries: contact@studios.int.yt
INT Studios™, Geneva, Switzerland
Questions, ideas, or bugs? We'd love to hear from you.