Final Draft is available for Mac, Windows, and iOS. There is no Android app. At $249.99, the desktop software is not cheap, but the good news is that with a purchase, you can install Final Draft on two machines. The installation process is very easy. Anyone can install Final Draft and try it for 30 days without having to lay down a credit card. If you buy the app, you get a license code via email that you enter the next time you launch it. The iOS app sells separately for $9.99. It's worth adding if you are the type of writer who is always jotting down ideas and notes to add to your scripts. If you use the iOS app and save your work to an online storage service, such as Dropbox, then you can make notes right in your script no matter where you are. Among mobile apps, ten bucks might sound a little pricey, but it's not bad among writing apps. Plus, it's a one-time fee rather than a recurring subscription price, and the latter is increasingly becoming the norm for productivity and offi...