Arkivor is an archive companion application designed for the Apple ecosystem. Based on the available website information, the app’s primary function is to assist users in managing and organizing archived data across Apple devices. The title indicates that it serves as a companion tool, likely integrating with macOS and iOS to handle common archive tasks such as creating, browsing, and extracting compressed files. Typical use cases may include file compression for storage or sharing, decompression of downloaded archives, and general archive management within the Apple environment. Technical details, supported formats, and specific workflow steps are not provided in the scraped content, but the app is positioned as a utility for users who regularly work with archived files on Apple hardware. Further information about features and system requirements would need to be obtained directly from the Arkivor website.