To achieve the "Extra Quality" experience you're looking for—stable performance, access to premium tweaks, and reliable tools—you need the right combination of a modern jailbreak tool (delivered as an IPA), a trusted signing utility, and high-quality software repositories.
Many people confuse the Cydia app with the tool. Download Cydia Ipa File Extra Quality
You cannot simply install a "Cydia IPA" on a stock iPhone to jailbreak it. If you find an IPA labeled "Cydia," it is likely either a fake app or a tool that will crash immediately because it lacks the root permissions granted by a jailbreak. How "Cydia" and "IPA" Actually Interact To achieve the "Extra Quality" experience you're looking