Awesome way to practice guitar skills!
I would have given this app / service five stars, because the content and the games are well designed and engaging to use, but sadly on a couple of lessons the game just hangs even if I play the right chord. No way to get past it, so I have to return to the lessons and choose the next one. This makes it impossible to fully complete the lesson path, so really annoying actually. I use an iRig 2 HD and my guitar is perfectly in tune, so this is obviously a bug. Anyway, I've subscribed for a year, so I'll just have to wait and hope that this gets ironed out soon. All in all it's a great way to learn new skills and in many ways better than Yousician for a fraction of the cost.