Mobile App with online registration

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
Hi I need a simple App: it is a countdown. The user have to be able to set some arbitraty values: the initial coundown and a value (in minutes) that will be added to the countdown. When the counter reach zero it make an alert (using one of the ringtones) and wait for an input from the user (a big green button with OK). When the user press OK it starts the countdown again in tha background adding the minutes expressed in the installation. After an x number of cicles (e.g.3000) it will have to stop working asking for a registration or paying a fee to make it work forever: It have to run in the background to not be intrusive and make visible only the OK button when it reaches zero. The user have to be able to make it visible in a corner of the phone. It will have to work in any smartphone (android, iphone, ecc.) It have to have an option to send to all contacts an invite to download it (using the smartphone, or some app like Line, Whatsup, Twitter or anything is running on the phone and so on) flagged by default during installation and have to register for free using the name and email.
I need to be able to change the text fields (language), the logo, and so on. Once setup this fields the user must not be able to change any field or to change any parameter. Once reached the limit (e.g.3000) it have to stop working and ask on a time frame base to register it.
It's needed the App itself and the code of the site to run the download e registration process. They can send the App each other, but need to register for free to make it work.

Skills required:
Android, HTML5, iPhone, jQuery / Prototype, Mobile Phone
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