> For the complete documentation index, see [llms.txt](https://spheroid-universe-academy.gitbook.io/white-paper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://spheroid-universe-academy.gitbook.io/white-paper/modelo-de-negocio/comercializacion/canales-de-venta.md).

# Sales channels

* The app is installed for free
* Sale of Spaces and AR publications by developers is conducted via the Spheroid Universe marketplace
* Advertising sales are conducted via the advertising network’s services in the personal profile of Advertisers and Space Owners