Ark vs GNU Gzip

Ark is a free graphical utility for creating and managing compressed files and archives on Linux and Windows. It can browse, extract, create, and modify archives, and preview file contents without extracting them. Its listed formats include tar, gzip, bzip2, zip, rar, 7z, xz, rpm, cab, deb, xar, AppImage, and CD-ROM images. Ark also supports archive encryption, split archives, and command-line tools. The listed plan costs nothing, with no plan limits stated, and the application is licensed under GPL-2.0+. On Linux, KDE offers installation through AppStream stores, distribution package managers, and Flathub. KDE lists Windows as a platform and provides a Windows nightly installer for testing. Its help links include the Ark Handbook, UserBase Wiki, and KDE Forum; KDE also provides a bug-reporting link and access to the source code. KDE describes itself as an international community developing free and open-source software, represented for legal and financial matters by KDE e.V., a registered nonprofit in Germany.

GNU Gzip has no write-up on Specifiction yet; its figures are above.