If you are registered as a dev, you can get the iOS dev center that will let you emulate an iOS device..
as far as an app for a general user to download, i dont think there are any legal apps that let you do that.
If you are registered as an iOS developer, and you have a mac, download xcode.
Make a copy of the
.ipa file, right-click and open with Archive Utility.app (green icon)
Open the un-archived folder, and under “Payloads”, you should find a
In Xcode, create a blank application under iOS. It will be created with no Targets, no build settings or anything.
Add the aforementioned
.app file to your new project, set your build settings and “Build and Run” or “Run” in Xcode. As long as you have set the target as “iPhone Simulator”, it should open in the iPhone/iPad Simulator, and you will be able to use the app.
Nope. I don’t even think you can use the development simulator to run them on a Mac. Would be far too easily pirate-able if you could just run them willy-nilly anywhere.