Your screen data is sensitive; using an untrusted intermediary increases the risk of data leaks. How Duet Display Works (Official vs. Repack)

An (iOS App Store Package) is the standard file format for iOS applications. It contains the executable binary and supporting resources for an iPhone or iPad app.

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First, the archive is unpacked to expose the payload directory:

These files are generally found on third-party forums or file-sharing websites, not the official Apple App Store. Why Users Seek Repacked IPA Files

install via standard means. You must sign it with a developer certificate or use tools like Sideloadly which handle the signing process using your Apple ID. Architecture:

The desire for a repacked IPA stems from a combination of factors:

: Recommended for both Windows and Mac; it supports Wi-Fi sideloading and automatic app refreshing. AltStore / SideStore

A popular tool that allows users to install IPA files by signing them with their Apple ID.