Dear Caroline79isb,
We are glad to inform you that we have developed similar thing before I have go through your project "Mobile App IOS & Android Modification with new features of Money crypto Transfer function"
Relevant Skills and Experience
I have 10+ years of experience in Android, iPhone, Mobile App Development, Objective C, PHP
I can do this within your budget too $250 - $750 USD
please check more from here https://www.freelancer.com/u/mmadi.html?page=portfolio
I am ready to work with you,kindly waiting for your response.
Thanks & Regards,
Mmadi