Those would be good places to start. Your problem with the 360 version sounds like the "hitching" issue. Apparently newer 360's with the 4GB internal memory can't play the retail version of the game properly without adding a hard drive. There's a thread
for that issue in the support forum. There's also an option to claim a downloadable version of the game if you can prove you own a retail copy of it and and one of the affected 360's by filling out this form
Don't know what to tell you about the iOS version other than post in the iOS support forum
and see if anyone else has had similar problems. If you want a refund you could try emailing email@example.com
. I did that when I couldn't get the PC version to work on my computer and was eventually given a refund. That was for buying directly from Telltale though, not sure what if any procedure there is for buying through the iTunes.
As for most everyone else, way to not be helpful fellas. Not everyone has been fortunate enough to get a bug free play through of The Walking Dead.