[2] iOSアプリは、 iOS で動作するアプリです。

iTunes
Appストア
ATS
URL scheme

[1] iTunes, App Store, iBooks, and Mac App Store Affiliate Resources - Search API (Apple Inc. 著, 2015-07-09 19:21:52 +09:00 版) https://www.apple.com/itunes/affiliates/resources/documentation/itunes-store-web-service-search-api.html

Look up Yelp Software application by iTunes ID: https://itunes.apple.com/lookup?id=284910350