The routines feature launched today on Strengthify. It gives users the ability to quickly compose workout routines, and save them for later use. Here's a screenshot of the main view:
It also places the power of Strengthify's exercise database and search filters front and center when you go to choose an exercise to add to the routine:
This allows you to quickly see all exercises for the upper body (for example) in one place, or all beginner-level exercises, etc.