For many years most users of Apple’s ‘Pro Apps’ assumed that they were a loss leader for high-end Macintoshes. Very light copy protection meant that many students pirated the software, but that wasn’t a problem for Apple. 99.9% of Final Cut Pro users needed a Mac to run the software.

These days Final Cut Pro X and Logic Pro X users may love their software, but many are worried that Apple might discontinue them at any moment. Pro Apps are such a small contributor to Apple’s bottom line, and the transition from Final Cut Pro 7 to Final Cut Pro X has left many people gun-shy. They don’t want to bet their livelihood on an ecosystem that Apple may abandon at a whim.

Here’s a look at how much revenue Apple probably gets from selling Pro Apps, some worries might be alleviated.