May 2010 - PUBLIC BETA NOW AVAILABLE FOR DOWNLOAD!!
The ArcGIS API for iPhone enables you to build iPhone applications that utilize the powerful mapping, geocoding, geoprocessing, and custom capabilities provided by ArcGIS Server. The API consists of native Objective C libraries that can be used within the Xcode Integrated Development Environment (IDE).Other iPhone developer tools such as Interface Builder can also be used in your application development.
To download ArcGIS API for iPhone make sure you are logged in, then click download.