Test in app purchase on Simulator is ok but can not test on Device?

Question

HI I follow the instruction of doing In App Purchase from this site:

http://www.raywenderlich.com/21081/. When I test it on Simulator IOS 6.1 every thing run fine and this is the output

2013-11-06 16:34:54.302 LearnChinese[3821:907] Loaded list of products... 2013-11-06 16:34:54.303 LearnChinese[3821:907] Found product: TNY.coop.LearnChinese.BuyLesson Buy All Lessons 3.99 2013-11-06 16:34:54.303 LearnChinese[3821:907] Found product: TNY.coop.LearnChinese.FreeAdds Remve Adds 1.99

But when I test on Device it show a blank View and this is the output

2013-11-06 16:34:54.302 LearnChinese[3821:907] Loaded list of products...

I use Xcode 5, I also logout my ID in App store in Device but it didn't work. Any one know please help me!

Answer 1

Logout from your itunes account from setting->app store then check in app purchase