This app allows you to get a notification when a YouTube channel uploads a video. You dont need to have an account, so you can start right away.
This apps purpose is to give you an easy way to keep track of your subscribers by letting you know when they are active. This does not depend on the subscribtion box, so the video will always come to the user in the end.
Inside the app the user can visit the YouTube channel in the official app, so everything works as usual.
This app is offered as free, but you can buy an In App Purchase to expand your capabilities inside the app.