app to transfer apps from android to apple phone

Not really sure what is the preferred app for most people but I used the move to iOS from the Google Play to transfer my data from android to iOS and it works well for me when I switched to iPhone. But, not all apps may be able to be transferred as some apps from android might not be available on Apple App Store. There may be other better apps for transfer but this is the only app I know.

But I am not sure if the app still works because it have been more than a year since my transfer

See this article: Move from Android to iPhone, iPad, or iPod touch - Apple Support

And also, during the setup of your new iPhone, you have to set up manually. Then under apps and data, you will select move data from android. Then, you will go to the move to iOS app on your android and set up from there