Whenever you decide to get a cost estimation for custom app development, you need to understand the team location and the complexity of development. Based on the OS that you choose whether iOS or Android, you need to pay charges accordingly since they both have different technologies used for development. For more details, you can search some custom app development companies that would offer you a quotation. Since technologies keep on changing, there will be many instances, where your developer would recommend you to use improvised versions of different Databases or UI Software. And also, sometimes there can be bugs or security flaws that need to be improved. If you are using any third-party tools in your mobile application, then you need to buy licenses for it since you would be using it for commercial purposes. The license cost depends upon different factors.
