Hon is a free book tracking app developed by nosuke, available on Android. The app is designed with a minimalistic approach and is straightforward to use. Hon allows users to manage their reading progress without any registration or login. The app has a beautiful design that is easy on the eyes and simple to navigate.

One of the key features of Hon is the ability to rate books after reading. Users can register books easily by searching, barcoding, or manually. The app has a bookshelf that allows for easy organization with two types of categories: "Read" and "Unread." Additionally, users can check their reading activity and register an image in reading notes. Hon is 100% private, ensuring that users' reading history is kept secure.