It seems you're talking about two different things still. If you have an iOS device, you can connect an electric guitar to it via a dedicated (but relatively in

It seems you're talking about two different things still. If you have an iOS device, you can connect an electric guitar to it via a dedicated (but relatively inexpensive) interface and have it sound like a reasonably amp plus some effect processors. It's really great for mobile musicians. I don't even mention Garageband and other apps which basically allow you to compose quite decent music on the go.