Created by Jay Freeman (Saurik), Cydia was the original graphical interface for APT (Advanced Packaging Tool) on iOS. While iconic, it is largely considered "legacy" software because it has not been updated to support modern, "rootless" jailbreaks or the latest iOS architecture. Sileo (The Modern Choice):
Adding Cydia’s installer repo to Sileo bridges the old and new jailbreak worlds. It takes 30 seconds and gives you access to essential legacy tools. While Sileo is the future, Cydia’s repo remains a valuable safety net. cydia installer repo sileo
If you have searched for the phrase you are likely in the middle of a transition. Perhaps you have a new jailbreak that uses Sileo (like Chimera, Odyssey, or Taurine) but you miss your old Cydia tweaks. Or maybe you prefer Cydia’s legacy but want to add Sileo’s repos. Created by Jay Freeman (Saurik), Cydia was the