Best Disk Space Analyzers in 2026
Updated
104ranked
6free plans on this page
$2/molowest paid tier
9 Oct 2026last checked
Input list Disk Space Analyzers 25 channels on this page · 113 of 200 spec lines stated by the makers
Ch Tool Free planPaid fromDesktop platformsTreemap viewApplication sizesFile-type breakdownExternal drive scansExportable reports Spec sheet Score
26 ncdu Free planYesPaid fromnot statedDesktop platformsLinux, macOSTreemap viewNoApplication sizesNoFile-type breakdownNoExternal drive scansYesExportable reportsYes 7/8spec lines stated 7.4
27 OmniDiskSweeper Free planYesPaid fromnot statedDesktop platformsmacosTreemap viewnot statedApplication sizesnot statedFile-type breakdownnot statedExternal drive scansYesExportable reportsnot stated 3/8spec lines stated 7.3
28 Drive Sonar Free plannot statedPaid fromnot statedDesktop platformswindows, macos, linuxTreemap viewYesApplication sizesnot statedFile-type breakdownYesExternal drive scansnot statedExportable reportsnot stated 3/8spec lines stated 7.3
29 winTrim Free planYesPaid fromnot statedDesktop platformswindows, macos, linuxTreemap viewYesApplication sizesYesFile-type breakdownYesExternal drive scansnot statedExportable reportsnot stated 5/8spec lines stated 7.3
30 dust Free planYesPaid fromnot statedDesktop platformslinux, macOS, WindowsTreemap viewNoApplication sizesNoFile-type breakdownYesExternal drive scansnot statedExportable reportsYes 6/8spec lines stated 7.3
31 Capacitra Free planYesPaid fromnot statedDesktop platformswindowsTreemap viewYesApplication sizesnot statedFile-type breakdownYesExternal drive scansnot statedExportable reportsYes 5/8spec lines stated 7.2
32 Flare Scan Free planYesPaid fromnot statedDesktop platformsmacosTreemap viewYesApplication sizesnot statedFile-type breakdownYesExternal drive scansYesExportable reportsYes 6/8spec lines stated 7.2
33 Neodisk Free planYesPaid fromnot statedDesktop platformsmacOSTreemap viewYesApplication sizesYesFile-type breakdownYesExternal drive scansnot statedExportable reportsnot stated 5/8spec lines stated 7.2
34 ccdu Free planYesPaid fromnot statedDesktop platformslinux, macosTreemap viewYesApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsYes 4/8spec lines stated 7.2
35 DiskLens Free planYesPaid fromnot statedDesktop platformsmacOS, WindowsTreemap viewNoApplication sizesYesFile-type breakdownYesExternal drive scansnot statedExportable reportsYes 6/8spec lines stated 7.2
36 dumap Free plannot statedPaid fromnot statedDesktop platformswindows, macos, linuxTreemap viewYesApplication sizesnot statedFile-type breakdownYesExternal drive scansnot statedExportable reportsYes 4/8spec lines stated 7.2
37 DiskBrain Free planYesPaid fromnot statedDesktop platformswindowsTreemap viewnot statedApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsYes 3/8spec lines stated 7.2
38 FreeSize Free planYesPaid fromnot statedDesktop platformswindows, macos, linuxTreemap viewYesApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsnot stated 3/8spec lines stated 7.2
39 DiskMap Free planYesPaid fromnot statedDesktop platformswindowsTreemap viewYesApplication sizesNoFile-type breakdownYesExternal drive scansnot statedExportable reportsnot stated 5/8spec lines stated 7.1
40 SpaceSniffer Free planYesPaid fromnot statedDesktop platformswindowsTreemap viewYesApplication sizesnot statedFile-type breakdownYesExternal drive scansnot statedExportable reportsYes 5/8spec lines stated 7.1
41 Radix Free planYesPaid fromnot statedDesktop platformsmacosTreemap viewYesApplication sizesNoFile-type breakdownnot statedExternal drive scansYesExportable reportsYes 6/8spec lines stated 7.1
42 SpaceBrowser Free planYesPaid fromnot statedDesktop platformsWindows, Linux, macOSTreemap viewYesApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsnot stated 3/8spec lines stated 7.1
43 rsdirstat Free planYesPaid fromnot statedDesktop platformsmacos, linux, windowsTreemap viewYesApplication sizesnot statedFile-type breakdownYesExternal drive scansnot statedExportable reportsnot stated 4/8spec lines stated 7.1
44 dua Free planYesPaid fromnot statedDesktop platformsmacOS, Linux, WindowsTreemap viewNoApplication sizesNoFile-type breakdownNoExternal drive scansnot statedExportable reportsYes 6/8spec lines stated 7.1
45 Spacie Free planYesPaid fromnot statedDesktop platformsmacosTreemap viewYesApplication sizesnot statedFile-type breakdownYesExternal drive scansYesExportable reportsnot stated 5/8spec lines stated 7.0
46 AppleTree Free planYesPaid fromnot statedDesktop platformsmacosTreemap viewYesApplication sizesnot statedFile-type breakdownYesExternal drive scansnot statedExportable reportsnot stated 4/8spec lines stated 7.0
47 duvis Free planYesPaid fromnot statedDesktop platformswindows, macos, linuxTreemap viewYesApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsYes 4/8spec lines stated 7.0
48 DiskPilot Free planYesPaid fromnot statedDesktop platformswindows, macos, linuxTreemap viewYesApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsNo 4/8spec lines stated 7.0
49 DaisyDisk Free planNoPaid from$9.99one-timeDesktop platformsmacosTreemap viewYesApplication sizesnot statedFile-type breakdownnot statedExternal drive scansYesExportable reportsnot stated 5/8spec lines stated 6.9
50 SpaceMan Free plannot statedPaid fromnot statedDesktop platformswindows, macos, linuxTreemap viewYesApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsnot stated 2/8spec lines stated 6.9
Compare all 25 in a table
| # | Tool | Score | Free plan | From | Free plan | Paid from | Desktop platforms | Treemap view |
|---|---|---|---|---|---|---|---|---|
| 26 | ncdu | 7.4 | Free plan | Free | Yes | — | Linux, macOS | No |
| 27 | OmniDiskSweeper | 7.3 | No | — | Yes | — | macos | — |
| 28 | Drive Sonar | 7.3 | No | — | — | — | windows, macos, linux | Yes |
| 29 | winTrim | 7.3 | Free plan | Free | Yes | — | windows, macos, linux | Yes |
| 30 | dust | 7.3 | Free plan | Free | Yes | — | linux, macOS, Windows | No |
| 31 | Capacitra | 7.2 | No | — | Yes | — | windows | Yes |
| 32 | Flare Scan | 7.2 | No | — | Yes | — | macos | Yes |
| 33 | Neodisk | 7.2 | No | — | Yes | — | macOS | Yes |
| 34 | ccdu | 7.2 | No | — | Yes | — | linux, macos | Yes |
| 35 | DiskLens | 7.2 | No | — | Yes | — | macOS, Windows | No |
| 36 | dumap | 7.2 | No | — | — | — | windows, macos, linux | Yes |
| 37 | DiskBrain | 7.2 | Free plan | $2/mo | Yes | — | windows | — |
| 38 | FreeSize | 7.2 | Free plan | CHF 2.42/mo | Yes | — | windows, macos, linux | Yes |
| 39 | DiskMap | 7.1 | No | — | Yes | — | windows | Yes |
| 40 | SpaceSniffer | 7.1 | No | — | Yes | — | windows | Yes |
| 41 | Radix | 7.1 | No | — | Yes | — | macos | Yes |
| 42 | SpaceBrowser | 7.1 | No | — | Yes | — | Windows, Linux, macOS | Yes |
| 43 | rsdirstat | 7.1 | No | — | Yes | — | macos, linux, windows | Yes |
| 44 | dua | 7.1 | Free plan | Free | Yes | — | macOS, Linux, Windows | No |
| 45 | Spacie | 7.0 | No | — | Yes | — | macos | Yes |
| 46 | AppleTree | 7.0 | No | — | Yes | — | macos | Yes |
| 47 | duvis | 7.0 | No | — | Yes | — | windows, macos, linux | Yes |
| 48 | DiskPilot | 7.0 | No | — | Yes | — | windows, macos, linux | Yes |
| 49 | DaisyDisk | 6.9 | No | $9.99/mo | No | $9.99one-time | macos | Yes |
| 50 | SpaceMan | 6.9 | No | — | — | — | windows, macos, linux | Yes |
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