Lifebear is a free Android app by Lifebear Inc. that combines calendars, to-dos, notebooks, and diaries into one application. The app is recommended for people who look at their calendar and notebook every day, want an easy-to-use note app, need a schedule book or notebook that they can take notes on immediately, and want to use ToDo lists and reminders with their calendar. The design of the app is simple and easy-to-use, and it offers a range of functions that do not require complicated operations. The app allows you to customize the color of your schedule and make it your own notebook, paste photos, and attach screenshots to the schedule. The app is available in three plans: a free plan, a basic plan, and a premium plan. The app is perfect for people who want to manage their schedules, projects, and meeting notes all in one place or are looking for a notebook app that has both the functions of a schedule app and a diary app.