LifeTime is a free scheduling app for Android users that offers a comprehensive way to manage schedules, to-do lists, and timetables. The app is developed by ghost7 and falls under the lifestyle category. With LifeTime, users can easily register, edit, and delete schedules based on their preferences. The app comes with four tabs: Home, Calendar, Timetable, and ToDoList, each with its own functions.

The Home tab is the first view page of the app, and it provides users with access to all the other tabs. The Calendar tab allows users to add schedules by selecting the date and touching the + button. Users can edit or remove schedules by touch and set notifications or alarms for a schedule. The Timetable tab enables users to add a timetable schedule by touching the + button and initialize the schedule of specific dates at timetable by touching the reset button. The ToDoList tab allows users to add a to-do list by touching the + button, move the schedule to the completion list by touching the ○ button, and edit or delete the schedule. The widget feature of LifeTime makes scheduling easier by providing a useful information based on the user's calendar information.

Overall, LifeTime is an excellent scheduling app that provides users with an easy-to-use interface and comprehensive scheduling features.