Hello, I want to know all the money that is needed for creating and publishing an app? Is it possible to pay once? or for adding extensions, .. or developing in the future it needs extra money? how about using the customer? does it also need more money? Please clarify it for me? Hello, I want to know all the money that is needed for creating and publishing an app? Is it possible to pay once? or for adding extensions, .. or developing in the future it needs extra money? how about using the customer? does it also need more money? Please clarify it for me?
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