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Cydia provides a more user-friendly graphical user interface for some open-source software-installation tools originally developed for Debian (specifically APT, and the dpkg package management system). Cydia's repositories allow the installation of software packages, most of which are available to download at no cost. Cydia also includes the Cydia Store, which offers a number of applications for sale. Both free and paid software packages are downloaded directly to an iOS device, to the same location as Apple's pre-installed applications (the /Applications directory). The name "Cydia" is an allusion to the Codling Moth ("Cydia pomonella"), which made famous the "worm in the apple." |