The GrappApp is a unique, fun, systematic easy to use educational game for Brazilian Jiu Jitsu. You will quickly learn the finer nuances of Jiu Jitsu, Submission Grappling, wrestling techniques, situations, strategies, and even the IBJJF competition rules in a fun and highly competitive way. This game was systematically and scientifically engineered to keep these subtle details sticky in your brain so you can apply them on the mat lickity split. The GrappApp is the perfect game for beginners and experts alike. At your fingertips you can climb up the belt rank knowledge bank with belt level training games. And. Best of all. Challenge your friends on Facebook to some heated rivalries for bragging rights to prove who is the more knowledgeable grappler. If you are the type of athlete who loves Jiu Jitsu and it's on your mind at all times then the GrappApp is a must have to keep your game sharp and ahead of everyone else.