The National Institute for Occupational Safety and Health’s (NIOSH) ladder safety smartphone app places interactive tools, checklists and guides into the hands of ladder users to help them prevent ladder falls, injuries and deaths on the jobsite. The app uses safety research and smartphone technology to provide instant feedback on the position of an extension ladder to help workers set the ladder to the optimum angle.

The app is available in English and Spanish as a free download for iPhone and Android mobile devices. For more  information, visit