Letterspace is a note taking app that borrows some of Twitter's features to help you organize your thoughts.
Hashtags are used to group notes and at mentions are used to group people you mention in your notes.
The app is $5.00 and is available on iOS and Android.
If you need help staying on top of your task list, check out ToDoIst.
It's a clean looking iOS and Android app that also works with Mac, PC, and on the web.
You can set deadlines for tasks, set recurring reminders Reminders and earn points for checking things off.
And finally, Sunrise is a calendar app that probably beats the default one on your phone.
The app is easy to use and includes features that make planning your day a lot easier.
Sunrise lets you add calendars for things like holidays or sporting events and also integrates with other apps like trip it or even to do it.
In San Francisco, I'm Sharon Profis, CNET.com for CBS news.