Dear Client!
How are you?
Just i read your descriptions very carefully.
I am very interesting in this project now.
I understand your all requirements and it is no problem to implement it for me.
I think admin app and user app both will be needed backend apis for data sync.
Would you like to use hosting server? or third party server?
so, can we discuss more specifically via chatting?
Please contact me and explain about your project details.
I always will do my best for you and help you!
I am an excellent full-time developer in mobile and web development for 8 + years.
Short Development Time, Fast and Flexible Communication will give you amusement.
My principle is to offer clients the best products and my goal is client satisfaction.
My belief : "Actions speak louder than words."
I will provide wonderful product and you will satisfy, too.
If you cooperate with me, you will make the most profit with less money.
I consider my client's satisfaction more important than money.
I have done already several apps such as Social, Shopping, Food & Drinking, Booking & Traveling, Service Providing, Dating & Chatting, News & Events, Business & Finance, Photo/Video Editing & Sharing, Heath & Fitness, Map Navigation & Location Tracking, Music Apps and etc.
If you want, I can provide my portfolios.
Hope to hear from you soon.
Thanks.