Bouncy Balls
A free, browser-based classroom noise monitor where colourful balls bounce higher as the room gets louder — no sign-up required.
Who It's For
Any teacher wanting a zero-effort noise monitor for group work, transitions, or quiet reading time.
Key Features
- Completely free — no sign-up or accounts
- Works in any browser with microphone access
- Multiple visual themes: balls, emoji, bubbles, eyeballs
- Instant setup — just open and project
About Bouncy Balls
Bouncy Balls is a beautifully simple noise monitor. As sounds increase, colourful balls, emoji, or bubbles bounce from the bottom of the screen. When the room quiets, the balls settle. Completely free with no sign-up. Just open the website, grant microphone access, and project. Multiple visual themes available.
Information on this page — including pricing, features, and platform availability — is based on our research as of April 2026. We recommend visiting the official site to confirm current details before making any decisions.