To develop iPhone applications and deploy it to App store 5 major components are needed as below.
1. Mac with OS X 10.5.3 or later
the main development system to run X-Code
about $1000^^
2. X-Code
X-Code is integrated development environment run in Mac OS X.
free.
3. iPhone SDK
iPhone SDK is a Software development framework for iPhone and iPod touch.
iPhone SDK has a iPhone Simulator.
free.
4. iPhone or iPod touch
Test evironment for real device.
near $200.
5. Apple iPhone Development Program
It offers a complete process for developing and distributing iPhone or iPod touch applications.
To deploy an application to App store iPhone Development Program is essential.
$99/year or $299/year.
