We didn't have to do anything special to get offline stuff working in iOS, sounds like we're lucky we didn't hit the problem you're having.
Here's a simple demo that works in iOS http://appcache-demo.s3-website-us-east-1.amazonaws.com/xhr/ - that might make it easier to see what you're doing differently. Are you serving the manifest with the correct content-type header, for instance?
Here's a simple demo that works in iOS http://appcache-demo.s3-website-us-east-1.amazonaws.com/xhr/ - that might make it easier to see what you're doing differently. Are you serving the manifest with the correct content-type header, for instance?