iOS Documents Directory size limit

Question

I am creating FTP download app that downloads into Documents Directory, and I have simple questions. Does the Documents Directory have size limit and does the download files

Answer 1

You should use Cache Directory if you want to cache anything without user's action or your app will get rejected if you dont follow the instructions:

http://developer.apple.com/library/ios/#documentation/iphone/conceptual/iphoneosprogrammingguide/PerformanceTuning/PerformanceTuning.html