Adam D

The AppStore Lookup is a simple WordPress plugin that provides shortcodes for querying Apple’s Lookup API to get app data from iTunes or the Mac AppStore. You can modify it as you wish, or use the built-in options to make it fit the needs of your site.
Features:
<ul>
<li>Lookup and display data from Mac App Store and iPhone/iPad App Store</li>
<li>Display App icons</li>
<li>Display App screenshots</li>
<li>Up-to-date app ratings information</li>
<li>Add Smart App Banners for iOS mobile Safari</li>
<li>Use your Linkshare ID for download links and Smart App Banners</li>
</ul>
<a href="http://adamdionne.com" rel="nofollow ugc">Support</a>

AppStore Lookup for WordPress

Adds shortcodes that display data from iOS and Mac AppStore applications.

Miln

Miln Help Book Search adds the ability for WordPress to return appropriately formatted XML output to Apple’s Help Viewer application on Mac OS X.
<a href="http://developer.apple.com/documentation/Carbon/Conceptual/ProvidingUserAssitAppleHelp/authoring_help/authoring_help_book.html" rel="nofollow ugc">Help books on Mac OS X</a> are bundles of crafted HTML included inside Mac applications.
A good Mac application always includes a help book.
A great application provides dynamic help book content offering users advice gathered not only locally from static files within the help book but also from web based articles.
Use Miln Help Book Search to add your WordPress blog content into your Mac application’s help book. Inclusion with your Mac help book is simple, set the HPDBookKBURL key to a tweaked WordPress search URL.
By adding results from your web site directly into your Mac application, you can provide constantly updated information, help, and advice. You can use your WordPress search traffic to find out what users need help on.

Miln Help Book Search

Add WordPress content to your Mac application's help book.

AppStore Lookup for WordPress vs Miln Help Book Search