From the website:
A writing environment for Mac, PC and iPad, OmmWriter is your own private writing room where you can close the door behind you to focus on your writing in peace. Everywhere you go, you have access to a beautiful, distraction-free writing environment, where your authentic voice is free to go where it is meant to go.
OmmWriter is here to serve you. Re-connect with your old friends Concentration and Creativity, and discover the bliss of single-tasking.