Best Disk Space Analyzers in 2026
Updated
104ranked
2free plans on this page
$4.99/molowest paid tier
9 Oct 2026last checked
Input list Disk Space Analyzers 25 channels on this page · 107 of 200 spec lines stated by the makers
Ch Tool Free planPaid fromDesktop platformsTreemap viewApplication sizesFile-type breakdownExternal drive scansExportable reports Spec sheet Score
76 WhatSize Free planNoPaid from$14.99one-timeDesktop platformsmacosTreemap viewNoApplication sizesYesFile-type breakdownYesExternal drive scansYesExportable reportsYes 8/8spec lines stated 6.3
77 Parallel Disk Usage (pdu) Free planYesPaid fromnot statedDesktop platformsWindows, macOS, LinuxTreemap viewNoApplication sizesNoFile-type breakdownNoExternal drive scansnot statedExportable reportsYes 6/8spec lines stated 6.3
78 Q-Dir Free planYesPaid fromnot statedDesktop platformswindowsTreemap viewnot statedApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsnot stated 2/8spec lines stated 6.3
79 Diskus Free planYesPaid fromnot statedDesktop platformswindowsTreemap viewNoApplication sizesnot statedFile-type breakdownnot statedExternal drive scansYesExportable reportsnot stated 4/8spec lines stated 6.2
80 Storage Analyser Free planYesPaid fromnot statedDesktop platformsandroidTreemap viewNoApplication sizesYesFile-type breakdownnot statedExternal drive scansYesExportable reportsnot stated 5/8spec lines stated 6.2
81 ValleySoft Disk Analyzer Free plannot statedPaid fromnot statedDesktop platformswindowsTreemap viewnot statedApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsYes 2/8spec lines stated 6.1
82 OwlDisk Free planYesPaid fromnot statedDesktop platformsmacosTreemap viewNoApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsnot stated 3/8spec lines stated 6.1
83 Pruneapple Free planYesPaid fromnot statedDesktop platformsmacosTreemap viewNoApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsYes 4/8spec lines stated 6.1
84 Delve Free planNoPaid from$4.99one-timeDesktop platformsmacosTreemap viewYesApplication sizesnot statedFile-type breakdownYesExternal drive scansYesExportable reportsYes 7/8spec lines stated 6.1
85 lintree Free planYesPaid fromnot statedDesktop platformswindows, macos, linuxTreemap viewYesApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsnot stated 3/8spec lines stated 6.1
86 dirstat-rs Free planYesPaid fromnot statedDesktop platformswindows, macos, linuxTreemap viewNoApplication sizesNoFile-type breakdownNoExternal drive scansnot statedExportable reportsYes 6/8spec lines stated 6.1
87 Walker Free planYesPaid fromnot statedDesktop platformslinuxTreemap viewnot statedApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsnot stated 2/8spec lines stated 6.1
88 TreeMap Free planNoPaid fromnot statedDesktop platformswindows, macos, linuxTreemap viewYesApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsYes 4/8spec lines stated 6.0
89 Disk Space Fan Free planNoPaid fromnot statedDesktop platformswindowsTreemap viewNoApplication sizesnot statedFile-type breakdownYesExternal drive scansnot statedExportable reportsnot stated 4/8spec lines stated 5.9
90 RidNacs Free planYesPaid fromnot statedDesktop platformswindowsTreemap viewNoApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsYes 4/8spec lines stated 5.9
91 Klarity Free planNoPaid from$6.99one-timeDesktop platformsmacosTreemap viewYesApplication sizesnot statedFile-type breakdownYesExternal drive scansYesExportable reportsnot stated 6/8spec lines stated 5.9
92 FolderScanUltra Free planYesPaid fromnot statedDesktop platformswindowsTreemap viewnot statedApplication sizesnot statedFile-type breakdownYesExternal drive scansnot statedExportable reportsYes 4/8spec lines stated 5.9
93 DiskBoss Free planNoPaid from$450one-timeDesktop platformswindowsTreemap viewNoApplication sizesNoFile-type breakdownYesExternal drive scansYesExportable reportsYes 8/8spec lines stated 5.9
94 SpaceLens Free planNoPaid from$10one-timeDesktop platformsmacosTreemap viewYesApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsnot stated 4/8spec lines stated 5.8
95 Cloud-Radar Free plannot statedPaid fromnot statedDesktop platformsnot statedTreemap viewnot statedApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsnot stated 0/8spec lines stated 5.8
96 DiskWave Free planYesPaid fromnot statedDesktop platformsmacosTreemap viewnot statedApplication sizesnot statedFile-type breakdownnot statedExternal drive scansYesExportable reportsnot stated 3/8spec lines stated 5.7
97 Directory Report Free planNoPaid from$21.95one-timeDesktop platformswindowsTreemap viewnot statedApplication sizesnot statedFile-type breakdownYesExternal drive scansnot statedExportable reportsYes 5/8spec lines stated 5.7
98 Disk Inventory X Free planYesPaid fromnot statedDesktop platformsmacOSTreemap viewYesApplication sizesnot statedFile-type breakdownYesExternal drive scansYesExportable reportsnot stated 5/8spec lines stated 5.7
99 Neodisk Free planYesPaid fromnot statedDesktop platformsmacosTreemap viewYesApplication sizesnot statedFile-type breakdownYesExternal drive scansnot statedExportable reportsnot stated 4/8spec lines stated 5.7
100 ClearSweep Free planNoPaid from$9.99one-timeDesktop platformswindowsTreemap viewNoApplication sizesnot statedFile-type breakdownnot statedExternal drive scansnot statedExportable reportsnot stated 4/8spec lines stated 5.6
Compare all 25 in a table
| # | Tool | Score | Free plan | From | Free plan | Paid from | Desktop platforms | Treemap view |
|---|---|---|---|---|---|---|---|---|
| 76 | WhatSize | 6.3 | No | $14.99/mo | No | $14.99one-time | macos | No |
| 77 | Parallel Disk Usage (pdu) | 6.3 | No | — | Yes | — | Windows, macOS, Linux | No |
| 78 | Q-Dir | 6.3 | Free plan | Free | Yes | — | windows | — |
| 79 | Diskus | 6.2 | No | — | Yes | — | windows | No |
| 80 | Storage Analyser | 6.2 | No | — | Yes | — | android | No |
| 81 | ValleySoft Disk Analyzer | 6.1 | No | — | — | — | windows | — |
| 82 | OwlDisk | 6.1 | No | — | Yes | — | macos | No |
| 83 | Pruneapple | 6.1 | No | — | Yes | — | macos | No |
| 84 | Delve | 6.1 | No | $4.99/mo | No | $4.99one-time | macos | Yes |
| 85 | lintree | 6.1 | No | — | Yes | — | windows, macos, linux | Yes |
| 86 | dirstat-rs | 6.1 | No | — | Yes | — | windows, macos, linux | No |
| 87 | Walker | 6.1 | Free plan | Free | Yes | — | linux | — |
| 88 | TreeMap | 6.0 | No | $8.25/mo | No | — | windows, macos, linux | Yes |
| 89 | Disk Space Fan | 5.9 | No | — | No | — | windows | No |
| 90 | RidNacs | 5.9 | No | — | Yes | — | windows | No |
| 91 | Klarity | 5.9 | No | $6.99/mo | No | $6.99one-time | macos | Yes |
| 92 | FolderScanUltra | 5.9 | No | — | Yes | — | windows | — |
| 93 | DiskBoss | 5.9 | No | $450/mo | No | $450one-time | windows | No |
| 94 | SpaceLens | 5.8 | No | $10/mo | No | $10one-time | macos | Yes |
| 95 | Cloud-Radar | 5.8 | No | — | — | — | — | — |
| 96 | DiskWave | 5.7 | No | — | Yes | — | macos | — |
| 97 | Directory Report | 5.7 | No | $21.95/mo | No | $21.95one-time | windows | — |
| 98 | Disk Inventory X | 5.7 | No | — | Yes | — | macOS | Yes |
| 99 | Neodisk | 5.7 | No | — | Yes | — | macos | Yes |
| 100 | ClearSweep | 5.6 | No | $9.99/mo | No | $9.99one-time | windows | No |
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