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Smart Tones

Introducing The Internet Of Sound
A data over sound platform

LISNR's proprietary, high frequency SMART TONES TM are a secure, data-over-audio communication layer detected by mobile devices from any speaker. And they're completely inaudible to us humans.

smart tones

The Platform


Our API/SDK powers mobile devices to deliver content, messaging, and experiences. Simply drop in the code and customize for your audience.

Command Center

We have developed a sleek, web-based portal to manage your content and Smart Tones in minutes. Just upload your content, download a Tone and hit play.

Platform Plug-in

We've developed a platform that plugs directly in to your existing software applications, making it easy to bring LISNR technology to your users.