A free program for Android, by rdq - smart productivity tools.
Retimer is a powerful reminder and alarm clock application that is both universal and very easy to use. You can easily set it to repeat in a certain amount of time or use it as a one-off timer. It has an advanced notification system and works as a background service, so you don't have to close it when you are not using it.
This is a powerful tool that will help you to remember and complete all your tasks in a very easy and quick way. It has a user-friendly interface, so you don't have to spend hours to get it to work properly. You just need to add your tasks and choose the amount of time that you want them to repeat.