The "Unified" aspect of the tool is not just a name; it is a feature. Unlike many tweaks that break with every iOS update, AppSync Unified maintains compatibility across an enormous range of systems. It currently supports devices running iOS versions from [9†L21][20†L14-L15].
Download the official AppSync Unified .deb file from the developer's repository (Karen's Pineapple repo is the official source) or a trusted archive. appsync unified deb file exclusive