Notebook-A good helper is a free Android application developed by Ian Crum. It falls under the category of Utilities & Tools. The app allows users to record their daily life events, work, family, schoolwork, and other important notes. With this portable notebook, users can easily jot down their thoughts and ideas to remind themselves of important events.

The app offers various features such as sorting diversity, text color selection, background selection, collection function, and text size selection. Users can define their notebooks according to their favorite order and select text color based on RGB. The background has a total of eight colors, and users can resize each text size. With the collection function, users can conveniently find their favorite notes.