In Progress

High Pitch Signal App (like ShopKick) that detects smartphones

For background on what I want, please check out these 2 companies:

1. ShopKick ([url removed, login to view])- uses high frequency sound to detect when people enter the store. The sound is played using a speaker near the door.

2. Zoosh ([url removed, login to view]) - uses the same high frequency sound to identify one device and connect it to another. In this case, the phone emits the sound which is "heard" by the POS.

The sound is a high pitch tune that humans or pets cannot hear, but the sound can be picked up by a smartphone microphone. My use case is exactly like the ZOOSH video and not shopkick. Shopkick is just to give you more information on the subject.

What I need:

1. The technology to be used. I have app developers, how do my app developers make use of this technology?

2. I need someone who understands this field and can tell me the restrictions. How much data can be stored through sound waves? is there a limit?

3. I need a very basic test app:

Application A: I type in a numerical code, it then broadcasts that signal through my speakers (this can be a simple web app or mobile app)

Application B: Installed in either android or iOS (your choice) which will listen for that signal and display the number on screen.

I DO NOT need you to design the hardware speakers or anything physical.

In your message please let me know how you plan to do this. Just giving me your porftfolio and telling me you have made lots of apps will not work

Skills: Android, Electrical Engineering, iPhone, Mobile App Development, Product Design

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About the Employer:
( 3 reviews ) Quezon City, Philippines

Project ID: #4491354

Awarded to:


Hi, I can provide you a test application on iOS platform (iPhone, iPod Touch, or iPad). Please see your InBox for a detailed proposal. Thank you.

$660 USD in 7 days
(45 Reviews)

9 freelancers are bidding on average $746 for this job


Respected Client, Please check PMB for listing and confident to complete the project with quality services.. Best Regards

$515 USD in 10 days
(5 Reviews)

Making your ideas happen! Please Check PM, Thank you.

$2100 USD in 29 days
(5 Reviews)

please check my pm

$275 USD in 7 days
(0 Reviews)

Hi, You can't carry data via not modulation voice because noise and energy reduction. The only subject which you can have by low frequency voices created/heard by regular devices is devices detection and not anything e More

$525 USD in 3 days
(0 Reviews)

Hi, our team of professionals at on2itonline would love to work with you on this project. Please check out our great feedback on some of our other staff profiles here; Check out our crazy cool style on our previo More

$772 USD in 15 days
(0 Reviews)

hi, i have great expertise in iPhone and all the other mobile platform also. and also i manage a big team of mobile developers. pls see the pmb. thanks

$660 USD in 15 days
(0 Reviews)

This project doesn't need script kiddies, it demands engineers. Refer to my private message for detailed proposition.

$660 USD in 5 days
(0 Reviews)

this can be done using dtmf encoding and decoding

$550 USD in 3 days
(0 Reviews)