I am disabled and my Husband came up with a brilliant idea that is not out there yet. We need someone to help turn the dream into reality.
App development cost varies widely depending on the features you want. A more specific answer would require a list of all the product features. It's like trying to find an answer to "How much would it cost to build a house?" If your app has a social enterprise or charity aspect to it though, you may find success through crowd funding platforms where you might either find people to contribute funds or development expertise.