RaceIQ Drag Racing Race Log (Android) app for $1.99

This is the premier mobile drag racing logbook software. By giving you the ability to log over 60 different factors of every race, along with providing powerful analysis functions, RaceIQ helps you get to the bottom of what really affects your car's performance. Want to see a graph of what different tire PSIs do for your '60? How does your bottle pressure or boost pressure affect your trap speed? With RaceIQ that (and much more) is just a few taps away.