Appcod.es is an App Store SEO optimization tool developed by Motivapps, an iOS app development studio based in Warsaw, Poland.
Appcod.es allows users to check the rankings of apps for various sets of keywords in the App Store. The tool also allows developer to assess the keywords used by competitor apps in their descriptions and the ranks those apps sit at for different keyword searches. Appcod.es also provides users with the ability to create custom URL wrappers for promotional codes to track the sources of clicks and the progression of the promotion. All of this functionality can be seen firsthand with the Appcod.es demo account.
Appcod.es also frequently publishes presentations on its website outlining recent changes in App Store guidelines relevant to App Store SEO techniques.