Transfer cells

Offline data transmission over ultrasounds


The CopSonic technology allows sharing data in offline mode between 2 smart devices or more, just by using their existing speakers and microphones. SonicShare is using ultrasounds to transmit the data, which remains safely hidden inside the acoustic waves. The SonicShare demo environment allows testing the unique capacities of this new nearfield communication channel.

  • 1 Step 1

    In one of the devices enter the message to be transmitted and press the send button
    (speaker icon).

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  • 2 Step 2

    On the 2nd device, press the receive button
    (microphone icon).

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  • 3 Step 3

    The transmitted message appears on the 2nd device.


You can test the SonicShare solution in 2 ways: either you use a Web App and a smartphone, or you simply use 2 smartphones. The Android or iOS App can be downloaded by scanning the QR code below or by following the respective links. Once installed, you will be able to proceed to the demo section to open the Web App; or you can directly use the 2 smartphones.

On iOS devices, if you are running a CopSonic demo for the first time, you will have to add us as a trusted developer. Click here to see how to do this.

Direct link

Android app

Apple app

Web app




IoT Connectivity

Offline data transmission over ultrasounds matches the growing needs for connectivity for IoT. Both at home or in professional & constraint environments, ultrasounds will increase the security and avoid the use of electromagnetic signals.



Ultrasounds are a perfect alternative or complement to QR Codes to drive mobile payments. They require less efforts on the end user side, they will not compromise security and they will even work when there are no screens available on the POS.

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Second Screen Experience

Brands, communication agencies and publishers can use ultrasounds to offer second screen experience on TV or radio commercials. Ultrasounds can be used as invisible QR codes to empower interactive media that enable identifying and engaging customers on their smartphone.

See more

Identity Management

Within the digital processes of Identity Management and Access Control, ultrasounds are a user-friendly alternative to securely send data from a smartphone to the controller. To increase the security, a verified ID can be combined with OTP and timestamps.

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Download the related documentation

As to introduce you to SonicShare and help you in using this demo for the first time, we have prepared different documents that can be downloaded here below

A solution based on the copsonic sdk

SonicShare is a sample use case where the data transmission is performed by unique ultrasounds generated by the CopSonic SDK which is available for all major platforms. To get further information or download the CopSonic SDK, please click here.


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