Hi, my name is Alejandro Etchegoyen, founder of CristalMedia, an Argentinian software company with 10 years of experience in tailored software development and 5 years in Android and iOS mobile development. You can check our website and previous work at http://www.cristalmedia.net.
Among our clients you will find Heineken USA, Harvard University, Argentinian Government and Unesco.
In order to prepare a more detailed budget I'd like to receive more details about your project. Do you have any requirements specification file or project description?
Please also check our 10/10 rating in Freelancer, we are ready to help you.
Kind regards,
Alejandro Etchegoyen