While the original exploited a specific CoreTrust bug (limited to iOS 14.0–17.0), TrollStore Lite was designed specifically for jailbroken users to provide a "permasigned" feel on newer versions.
: Uses built-in certificates and "revoke protection" DNS to keep apps running for extended periods without a jailbreak. Permanently signs IPAs on jailbroken iDevices 1...
AppSync Unified is the essential tweak for any jailbroken device. It patches the system to allow the installation of "fakesigned" or unsigned IPA files, meaning they will never expire as long as you are in a jailbroken state. While the original exploited a specific CoreTrust bug