Methods, systems, and apparatus, including computer programs encoded on a computer-readable storage medium, and including a method for aggregating data rates. The method comprises identifying plural mobile devices configured for communication with a carrier-associated network for downloading network resources, and creating a data bundle representing data download capacity to be shared among mobile devices for data downloads from the network. The method further comprises negotiating a data bundle price with the carrier, and receiving requests from mobile devices for downloading network data. The method further comprises presenting data to a mobile device user that has provided a request, including rate information for initiating a download associated with the request, the rate information based on the negotiated price irrespective of airtime or data charges for the download ordinarily charged by the carrier. The method further comprises debiting a user account using a group price based on the rate information.