The Reserol app will help you to remember to take your films in time. The app is very simple and intuitive. Download the app and install it on your phone. The first thing you do when you installed the app is to decide when you want to have your reminders to take your Reserol films. The app then keeps track of when you have used Reserol and you can easily go back and see if you have taken or forgot to take your films.