Hi, I have go through requirement provided by you,I am confident to do this job for you.
I have a 15+ years of experience in Android and IOS apps development. I have worked on similar projects before that you can check on my Portfolio
Please check my recent work Portfolio.
https://www.freelancer.com/u/riteshjainindore.html
> Android, iPhone. iPad, Swift, Kotlin, JSON, XML, Firebase, In-App purchase, Xmpp, Graphic design, Push notifications, In-app purcahse, Mobile development
> PHP, Codeigniter, Wordpress, Joomla, Opencart, Magento, Graphic desgin
Regards,
Ritesh Jain