GarageBand for iOS often gets dismissed as a toy by more experienced musicians. That’s partly because it’s free, and partly because it looks so simple when you first fire it up. And it is dead easy to use — making some great music is simple even for a first timer. But if you take a while to dig in, you might be surprised at just how music power GarageBand for iOS now packs. And the latest 2.3 update adds enough amazing new features that it really could be called 3.0. Lets take a look.