Cydia is an alternative to Apple's AppStore for "jailbroken" devices, at this time including iPhones, iPads, andiPod Touches, specializing in the distribution of all that is not an "app".
Cydia is not available in Apple's App Store, nor is it a website: it is installedon your device using a "jailbreaking" tool, such as Pangu or evasi0n.
Cydia is not available in Apple's App Store, nor is it a website: it is installedon your device using a "jailbreaking" tool, such as Pangu or evasi0n.