SQL injection attacks and cross-site scripting attacks continue to impact thousands of websites and millions of users each year. Finding these exposures quickly is essential in order to prevent system compromise and avoid information leakage.
Cydia, the package manager for jailbreak apps, is the very model of a major modern manager. It's slick and quick, and it installs apps and updates faster than Apple's App Store. You do need to jailbreak your iPhone to use Cydia or any of the unofficial iPhone apps, but this is where it all starts. Free download and jailbreak instructions at blog.iphone-dev.org.