iOS apps iapp https://www.google.com/search?q=inurl%3Ahttps%3A%2F%2Fitunes.apple.com%2Fus%2Fapp%2F%20%s
(after tweaking "us" to whatever country code your apps come from)
It would be neat if the iOS app store had its own search page somewhere on the web so we didn't have to rely on Google's rather poor rendition of the search results, but I haven't found one.
The more json minded of you might also add an accompanying "iappjs" version, for the heck of it:
iOS apps json iappjs https://itunes.apple.com/search?country=us&media=software&limit=200&term=%s