Whether you're a handyman (or woman) around your house or you do handiwork for a living, there are a variety of tools you'll need in order to get the job done. Have you ever considered that your device is a multi-tool on its own and could be useful to you in your work? Whether you use it for tips or to find out if the painting you are hanging is level, you're sure to find a helpful app in our list of the best handyman apps for iPhone and iPad.