This question needs more information.
Every app varies in cost, from free, to $1, to $20 or more.
$50,000 to $150,000 would be how much an app like Practo costs.
FREE!!
free
Once you buy an app, you can use it as much as you want.
1 dollar
About one dollar each
depending on your app, some are free though
$99/yr for Itunes
£17.95 from their website.
It is free to update the app.
it all depends on what type of app and what do you want people to do with the app. depending on the criteria, an spp can cost between $200-5,000. some advance apps can get more expensive.