김급식 is a free Android app developed by 급식. It falls under the category of Education & Reference. With over 3,934,801 cumulative downloads and 1,307,566 cumulative users, it provides food service information for 5,680 out of 5,822 middle and high schools nationwide.

The main purpose of 김급식 is to provide users with their school's lunch menu. Upon accessing the app, users can immediately check their school's diet at a glance. The app offers a simple and intuitive interface, allowing middle and high school students to easily search for their school, register, and view the daily lunch menu.

In addition to viewing their own school's lunch menu, users can also check what other school friends have eaten through real-time meal photos uploaded by their friends. The app also allows users to accumulate points by participating in various activities such as attending school, registering lunch photos, checking feeds, and participating in events. These points can be exchanged for mobile coupons to shop for a variety of products.

Please note that the app requires Android 4.1 or higher to run and offers optional access rights for the camera and photos, which are used for setting a representative image, writing on a bulletin board, and registering meal photos.