if you are a in a business nd you want your business android or IOS application with 6 month after sale service( updates)
also keep in mind if you want source code of application then you need to pay some extra, with source you can update it by self whenever you need it but its only possible if you know how to develop The apps
Remember This Service is only for Android
if you want IOS also then add extra service from Down
this price is depend on your requirements
if the application high level then you need to pay 2,3 time more according to your app