Zap's abc is a free music composition app developed by XMS Developers for Android. It falls under the category of multimedia with a subcategory of video. This app is primarily designed for composers who want to compose music on their phone, view it as a normal score, and play it back. The app includes a tutorial for those who are new to abc notation, and demos can be downloaded for reference.

Zap's abc has several shortcut buttons to make it easier for beginners as well as more experienced users. The app is intuitive, and the interface is easy to navigate. However, the app does require some knowledge of abc notation to use it effectively.

Overall, Zap's abc is a great app for composers who want to create music on the go. If you have any feedback, you can contact the developer at