It is not possible to directly convert an APK (Android app) to an iOS app (IPA) because they are developed for different platforms and have different programming languages, APIs, and design principles.
To port an app from Android to iOS, you need to re-write the code of the app for the iOS platform using the Swift or Objective-C programming languages, and the iOS SDK. You will need to create a new Xcode project and import the app’s source code and assets to the Xcode project. Then, you will need to make the necessary changes to the code and user interface to make it work and look good on iOS devices.
It is a complex and time-consuming process that requires significant technical skills, and it’s not recommended for beginners. Instead, it’s better to hire iOS developers to develop the app from scratch for the iOS platform.