Actually, Visual Studio Community is free for any type of app, free or paid. The only limitation is the number of professional developers in the team and whether or not the organization is “Enterprise” level.
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Any individual developer can use Visual Studio Community to create their own free or paid apps.
An unlimited number of users within an organization can use Visual Studio Community for the following scenarios: in a classroom learning environment, for academic research, or for contributing to open source projects.
For all other usage scenarios:
In non-enterprise organizations, up to five users can use Visual Studio Community. In enterprise organizations (meaning those with >250 PCs or >$1 Million US Dollars in annual revenue), no use is permitted beyond the open source, academic research, and classroom learning environment scenarios described above.
This is really cool because the Community Edition isn’t stripped down junk like Visual Studio Express used to be, it’s basically the same thing as Visual Studio Professional.