Hello
I have gone through your requirements and understood that you need to build an app to exchange good/product among peoples ,with integrated chat feature . we can add all features you have mentioned here .I am experienced so i can assist you very well .
I have 4+ years experience in all areas of developing website and Mobile app so i can assure you that you will receive quality product and client satisfaction is my first priority .I will provide support and maintenance too.
I am glad to inform you that we have wide experience with various verticals like business,Travelling & Booking, Directory, social media,gps tracking, handy, classified (buy & sell) and many more.
if you convinced with me please respond as soon as possible so we can go further
looking for positive response
Regards
Amlesh
Thank you