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Smart Shopping with Ultrasounds


Proximoos is a marketing solution based on ultrasounds as a contactless communication technology. It allows brands and retailers to engage any customer over his entire consumption path; from the digital point of contact to their physical presence instore.

  • 1 Step 1

    Launch the app and activate the microphone

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  • 2 Step 2

    The ultrasound is automatically detected and recognized

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  • 3 Step 3

    The corresponding offer is activated

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  • 4 Step 4

    Show your position on the map and search for your products


To test the Proximoos solution you will need to install either the Android or the iOS App. These 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.

Direct link

Android app

Apple app


Select an option to play the ultrasound...

A. Get a free coffee
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B. 50% discount on a product
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For a full offline experience, you can also download both ultrasounds by clicking here.




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.

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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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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.


Download related documentation

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

A solution based on the copsonic sdk

Proximoos is a sample use case in which a unique ultrasounds is used to create engagement areas that can be detected by the user’s smartphone application. This use case is empowered 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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