Boxd is a simple to do list app with all the features you need. It currently has 4 stars in the marketplace.
When loading the app all of your lists are shown on one screen in boxes, with a number shown in the right-hand corner of the “Box” showing you how many items are left to complete.
Creating a new list is easy to do and you can choose the color to help you differentiate between to lists.
Boxd is $0.99 with a free trial.Â Download this app from the Windows Phone web marketplace here.