DipTrace is a Schematic and PCB design tool. It allows you to convert schematics to PCB and back while being able to annotate easily. It also features wide import/export capabilities.
DipTrace features board design with smart manual routing an shape-based auto-router. You can take advantage of real-time DRC, high-speed and differential signals, 3D preview, STEP export, and Gerber and ODB++ manufacturing output.
Note: price reflects the "Standard" edition of the app. There are other editions available for purchase and they can be viewed here.