Дневничок is a free Android application developed by Vasin Nikita that allows students to access their electronic diary on various platforms such as "School Portal", "Diary ru", "MESH", "Elzhur", "Petersburg Education", "Network City", "Bars", "Epos", "ED Novosibirsk region", "ED Nizhny Novgorod region", and "Electronic School". This app helps students to keep track of their academic progress and stay organized. With Дневничок, you can easily check your schedule, homework assignments, grades, and attendance records. The app provides a simple and user-friendly interface that makes navigation easy and seamless. Overall, Дневничок is a useful tool for students who want to stay on top of their academic performance.