30 Day Push Up Challenge is a lifestyle application designed to support users in their push-up routines. The main function of the app is to count push-ups completed each day, aiding users in tracking their progress over a 30-day challenge. Key features include push-up counting, management of achievement days, notifications, and the ability to record active energy and workouts to Apple Health.

To use the app, simply place your iPhone on the floor, tap the screen, and keep your face close to the upper part of the screen or count push-ups with each tap. Additionally, the app calculates active energy expended during workouts based on factors like METs, weight, and exercise duration. Optional permission requests include access to Apple Health for data recording, tracking for personalized ads, and notifications for reminders.

30 Day Push Up Challenge supports multiple languages including Japanese and English, with a focus on simplicity and functionality for users seeking to improve their fitness routines.