Hey, I'm new to 30 Day Singer. I have been using Yousician, and I liked that I could follow a song and get feedback in real time whether I was in tune. This has been invaluable. However, my experience so far is your lessons are superior. Going forward, I don't really want to be paying for two courses. If I stick with 30 Day Singer, do you have a suggestion for how I can practice a song and get feedback on how I am doing?

I believe that Ultimate Guitar (free version, not paid) has a new feature similar to that, where you receive feedback on your tuning in real-time!