We have put together the contents about app development.
Overview of App Development
This site provides information on developing and publishing apps for Android and iPhone.
Benefits of Learning App Development
Gaining technical knowledge in app development offers the following benefits:
- You can develop the apps you want to use yourself.
- You can publish useful apps you create on Google Play or the App Store and earn income.
- You deepen your technical understanding of app-related technologies.
Android App Development with Android Studio

Android application are developed using Android Studio.
In the article blow, we write how to build Android Apps based on Google (Android) Official Document.
To publish Apps which you develop, Register Google Account, and you have to pay $25 at once. Once you pay $25, you can keep publishing Android Apps on Google Play.
iPhone App Development with XCode

To develop iPhone application, you need a Mac, a computer made by Apple. You can develop apps for Apple products by installing Xcode on your Mac. Xcode is free to use, but you will need to pay Apple $99 per year to publish iPhone apps or use iPhone apps you have developed yourself.
https://developer.apple.com/xcode
Android/iPhone App Development With Flutter

Flutter is an open-source UI toolkit developed by Google for building natively compiled applications for mobile, web, and desktop from a single codebase. It uses the Dart programming language and provides fast development with hot reload and customizable widgets.
The usage of Flutter is summarized in the following article.
Accelerate App Development Using AI

This site introduces ways to optimize app development by using AI tools like Cursor.
This site provides information on app development using AI tools such as:
- ChatGPT
- Cursor
- Claude Code
- Other Generative AI tools
Manage App Source Code with GitHub and VS Code

By managing the source code of your developing or completed apps on GitHub instead of your local computer, you can make program management much easier.

