Primate Labs Inc. has Geekbench 3 (iTunes Link) for the iPhone, iPod Touch, iPad in the iTunes App Store for FREE (regularly 99-cents) for a limited time.

Geekbench provides a comprehensive set of benchmarks engineered to quickly and accurately measure processor and memory performance. Designed to make benchmarks easy to run and easy to understand, Geekbench takes the guesswork out of producing robust and reliable benchmark results.