Project Hours is a time tracking app for activities on projects. It started as a time tracking system for the Dutch Castle Society in 2016. By now a growing number of companies are using it because of its ease-of-use and balanced feature set. Project Hours is available on Android, iPhone and (mobile) web site, users with different devices can track hours together on projects. Project Hours supports: - Define projects and activities. - Define materials. - Track hours via website or use the hou