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SEMA 2009: Rev for iPhone reaches 2.0, includes data-logging [w/ VIDEO]

Since there are approximately one trillion iPhones in the world and about ten-times as many apps, it's not hard to find a program to suit your needs. But in the automotive sphere, there aren't nearly as many quality applications and even fewer that can deliver the information most gearheads crave. Thankfully, DevToaster has answered the call with Rev, and putting out the 2.0 release of its popular diagnostic and performance program.

SEMA 2007 Spotlight: Magden M.1 Performance Computer

Since 1996 all vehicles sold in the United States have been equipped with an OBD-II system, also known as On Board Diagnostics. The reasoning behind requiring the system has a lot to do with the EPA and emissions, but it just so happens to also be a great tool for tuning. You may have noticed the required connector hiding around the dash in the vicinity of the driver's seat. Over time, various companies have developed OBD scanners and data loggers, but there were two of particular interest to us