If you need to use an Android app on an iPhone or iPad, you have three primary, legitimate options: A. Use a Cross-Platform Framework
Using Xcode on a Mac allows you to run npx commands to generate an .ipa file from a cross-platform project. apk to ipa converter online ios link
These two formats are not interchangeable . They run on completely different operating systems, use different programming languages, and have different security architectures. An iPhone cannot natively execute Android bytecode, and vice versa. If you need to use an Android app