Our community theatre group has been using CDs for 16 years. Never again. The free version does everything we need and has features will may never use; it’s that good. I was very happy to use this app without much instruction or reference to the manual. The only aspect that doesn’t seem intuitive is how you load sound files for it to use. Once you cross that hurdle, adding them to your cue list and all the manipulations thereafter are so easy. Thanks to the developers!