Works like it supposed. Plugged it into my iPhone and downloaded the app for it and started playing. Only one draw back, the app only comes with one preset, "Clean." The rest you have to purchase. Recommend that you download ampkit instead. It works with the iRig and comes with a better preset selection to start with that you can tweak and save.
With four boys in my house I am constantly "trying" out new instruments. We had the piano phase, the trumpet phase, the drum phase, and now we are in the guitar phase. I have learned that the "phase" can be short, so this time around I bought the guitar and the lessons but told my son "no amp" until you have 6 lessons. On the occasion of the 6th lesson we purchased the Kona amplifier. It arrived a week later, but for some reason the cord from the guitar to the amp was missing. I called Target and spoke to customer service and they immediately contacted the Kona company to ensure that I receive the amp cord. Not only did I receive the cord in 2 days, I got a courtesy call from Kona making sure I was happy. They said they wanted to ensure their Target customer was happy. Great experience for all and the "amp" is living up to its purpose with rock and roll bellowing through the halls of our home. Target has made my son one happy rocker! :)