"Rumbly: ToDo, Task List with Widget" is an app for mobile platforms, mobile and tablets with the Android operating system. It is a general purpose application to manage lists or notes.

In the latest version, available in Google Play always, we can make these types of lists:

- Simple Notes: designed to write a quick reminder .
- Simple Lists: designed to take simple notes and keep track of tasks performed.
- Shopping Lists: designed to take market shopping in this type of list we can add the units and price of each item and automatically take us control costs associated with the list.
- Chart Lists: designed to manage, for example, keep track of utility bills, weight management, diabetes control, ...

A more at all lists have the following features:

- Share lists generated with friends via third-party text messaging.
- Export to CSV format list (Excel), to work with it in other environments.
- Widget for lists of simple type and shopping, to have list always available on the desktop of mobile or tablet.
- Notes for each task we have in lists.