This data is quite valuable and services like this aren't competing with these app stores. If anything, they are probably inviting more competition to the app s

This data is quite valuable and services like this aren't competing with these app stores. If anything, they are probably inviting more competition to the app stores resulting in better apps. There is no reason for these companies to go after some small guy scraping the app store data. But who knows - Craigslist went after one man shops. These companies might too.