Apps similar to GrandPerspective include WinDirStat, which is free and open source. Other options are WizTree, Baobab Disk Usage Analyzer, SD Maid SE and Filelight. You're spoiled for choice with Disk Usage Analyzers like GrandPerspective: we list more than 100 alternatives for Mac, Windows, Linux, Android and the web.
Program to help recover disk space. Gives pie-chart view of disk usage, including unused space, with the ability to drill down into folders. Shows actual or nominal space occupied. Knows about the effects of cluster sizes.
DissectMac is a native, privacy-first macOS utility that uses an interactive treemap to visualize storage, allowing users to reclaim gigabytes in seconds through deep app uninstallation and real-time system monitoring.
A high-speed disk space analyzer for macOS, inspired by the speed of WizTree on Windows and the visualization style of GrandPerspective.
United States
Klarity is a disk space analyzer for macOS that shows where your storage went as a treemap: every file and folder is a rectangle sized to scale, so the biggest items are visible at a glance instead of being found one folder at a time.
India
Canada
LighterMac opens up the “System Data” your Mac won't explain and tells you, item by item, what each thing is and what happens if you delete it (“Xcode rebuilds it on the next build”, “this may be your only copy”).
SpaceBrowser scans a folder or volume and displays its contents as a size-proportional treemap, making large files and directories easy to identify.
France
EU
StorageRadar maps your disk, shows blocked paths instead of hiding them, lets you dry-run cleanup, and compares what changed over time. Scan data stays local, while analytics and diagnostics remain separately controllable in settings.
Thailand
Pangalin Space Manager shows exactly where your Mac's space went, down to individual folders, and breaks down what macOS calls "System Data". It sorts everything into what's safe to clean, what's worth moving to an external drive, and what needs a look...
South Africa
MacDirStat is a free, open-source disk space analyzer for macOS, inspired by WinDirStat. It scans a drive or folder and draws every file as a color-coded rectangle sized by its disk usage, so the biggest files and folders stand out at a glance.
United States
A safety-first Mac cleaner: clears caches, logs and developer junk, uninstalls apps with their leftovers, and finds duplicates and large files.
United States
