

The subscription packages include a basic set of tracks and three cars with which to practice and race, as well as a certain amount of iRacing credit that can be used, in addition to money, to buy additional car and track content, all of which is subject to charge.

There are several different subscription options available ranging from a monthly $19 fee to a year-long subscription for $156. IRacing can only be driven online on servers run by, and participation requires a subscription to the service. The iRacing company aims to cater both to real-world racers and racing simulation enthusiasts, so they are trying to offer a realistic simulation of motorsport with accurate track, vehicle and physics modeling, and with all of the cars and tracks officially licensed. Many real life racers, including Justin Wilson, Alex Gurney and Dale Earnhardt, Jr., have subscribed to the service and given positive comments especially about the accuracy of the track modeling which makes the simulator useful as a tool for learning tracks. The service has also been criticized for not yet including features often found on other racing simulators, such as dynamic environments and more advanced damage modeling and gearbox simulation. has received favorable reviews from automobile, racing and gaming magazines as well as websites dedicated to racing simulators.

By July 2009 more than 16,000 individuals had subscribed to the service. was launched to the public on August 26, 2008. The product will be constantly expanded and enhanced after the public launch. According to Kaemmer, iRacing retains the multi-body physics system of NASCAR Racing 2003 Season, as well as some of the track presentation and multi-user packet code, but everything else has been changed, or is completely new like the tire model and graphics engine.

The iRacing service has been in development since then, using code from Papyrus' NASCAR Racing 2003 Season as a starting point. Henry after the demise of Papyrus Design Group, which Kaemmer had also co-founded. The company behind was established in Boston, Massachusetts in September 2004 by David Kaemmer and John W. 4.2.3 Pro Series and Drivers World Championships.
