These are all basic investments. If you are developing an application with network function, you may need to rent or buy a server according to the situation.
Do-it-yourself iOS Application: From Design and Development to App Store provides detailed guidance for readers who want to get in touch with the design and development of iOS applications. From the steps of making an iOS application, what software should be used, how to publish the application to the App Store, what is the design concept of iOS, how to correctly write the Swift language, and how to interact between the back end and the client, this book gives an incisive and intuitive explanation of various problems in making an iOS application in an illustrated way.
If you are a newcomer to making iOS apps for the first time, after reading Do-it-Yourself iOS App: From Design and Development to App Store, you will confidently start to turn your ideas into reality. Even experienced iOS designers can learn how to write code, while programmers can learn design knowledge and gain the ability to complete their own works independently. ?