Shift Calendar is a free Android application developed by hdsteelman. It falls under the Lifestyle category and offers a customizable calendar for shift workers. The app provides pre-made shift patterns for 4-team 3-shift, 3-team 3-shift, 3-team 2-shift, and 2-team 2-shift schedules. Users can also add their own custom calendar and edit patterns according to their requirements.

The app is user-friendly and can be used by anyone who works shifts. It provides an easy way to keep track of work schedules and helps users plan their personal lives accordingly. The app is available for free download and is a great tool for shift workers who want to keep their work-life balance on track.