>Most devs run with the idea that if you purchase version 2 you get version 3 free, and so on. I'm not convinced this is true. It seems pretty common for mobi

>Most devs run with the idea that if you purchase version 2 you get version 3 free, and so on. I'm not convinced this is true. It seems pretty common for mobile apps, but charging for upgrades is also pretty common, particularly for desktop software. Either way, both models seem to be pretty well-established, and I certainly wouldn't view it as weird to see that a product charged for each upgrade.