Disk Usage Analyzer vs SpaceMonger

Disk Usage Analyzer is a free Linux desktop app for checking how storage is used and how much space remains. It scans selected folders, storage devices, and online accounts; external drive scans are also supported. Results present folder sizes in a tree view and a graphical representation, so users can inspect how a scan’s contents are distributed. The app page directs users to install the latest version from Flathub, which lists aarch64 and x86_64 architectures. The GNOME app page lists version 50.0, released on 2026-03-13, and names Paolo Borelli, Stefano Facchini, and Christopher Davis as maintainers. Users can report issues or suggest ideas through the app’s issue tracker. Flathub labels the app “Medium Risk.” The plan is listed at free. The app page does not identify which online account services can be scanned, and it does not state security certifications or compliance details.

SpaceMonger is a Windows utility for finding and managing storage on PCs and shared networks. It scans and maps files and folders, then displays storage in a treemap to help identify large items. A file-type breakdown and flexible search by size, type, or custom criteria can narrow what to review. Users can build changing cleanup lists and copy, move, or delete files from them. SpaceMonger does not include application sizes in its storage view. Its listed system requirements cover Windows 2000, XP, Vista, 7, 8, 8.1, and 10. The purchase page lists English and Spanish as included languages and 30 days of support. The software is paid, has a 30-day trial, and has no free plan. Stardock says it has operated as a software development company since 1991 and specializes in Windows desktop customization and productivity software.