Today, the water in the fountain is no longer as pure as it was many years ago; therefore in order to safeguard our health, we have come across jugs equipped with a filter that is changed once a month.But among the many things to do; it can happen that you forget the date of the replacement.. and here my app comes to your rescue. In fact, it allows you to set the expiration date and automatically, the remaining days are also counted. The notice is obviously displayed on expiry via a pop-up; even if the app is not running.You can also use this app to add all the deadlines you need; the important thing is to remember to assign to each... a different Alarm ID.