This is a fretboard diagram editing application. It is designed for string instrument like guitar, bass and ukulele. Neck Diagram Tool is simple, easy and extremely flexible. This diagram is SVG format graphics, which do not lose any quality even if they are zoomed or resized. For more editing you can use vector graphic editors like Inkscape or MuseScore - Some buttons are need to be long clicked to function. - Saving directory is "your device inner storage root/NeckDiagram". - Icons made by Freepik from www.flaticon.com * This app should allow access to media folder to save your data.