Best Disk Space Analyzers in 2026
Updated
84 disk space analyzers ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
84ranked
4free plans on this page
$0.83/molowest paid tier
30 Sept 2026last checked
| # | Platform | Score | Why | From | Free plan | Paid from | Desktop platforms | |
|---|---|---|---|---|---|---|---|---|
| 26 | SquirrelDisk | 6.6 | RecognisedAPIDocumented | — | Yes | — | Windows, macOS, Linux | View |
| 27 | DiskTree | 6.5 | RecognisedAPIDocumented | $1.25/mo | Yes | — | macos | View |
| 28 |  DiskLens | 6.5 | RecognisedAPIDocumented | — | Yes | — | macOS, Windows | View |
| 29 | DaisyDisk | 6.4 | RecognisedAPIDocumented | $9.99/mo | No | $9.99one-time | macos | View |
| 30 |  rsdirstat | 6.4 | RecognisedAPIDocumented | — | Yes | — | macos, linux, windows | View |
| 31 | Disk Space Analyzer | 6.3 | RecognisedAPIDocumented | $0.83/mo | No | $19.95one-time | macos | View |
| 32 |  StorageScope | 6.3 | RecognisedAPIDocumented | — | Yes | — | macos | View |
| 33 |  ccdu | 6.3 | RecognisedAPIDocumented | — | Yes | — | linux, macos | View |
| 34 |  FreeSize | 6.3 | RecognisedAPIDocumented | CHF 2.42/mo | Yes | — | windows, macos, linux | View |
| 35 |  ncdu | 6.3 | RecognisedAPIDocumented | — | Yes | — | Linux, macOS | View |
| 36 |  SpaceMap | 6.3 | RecognisedAPIDocumented | Free | Yes | — | macos | View |
| 37 |  DiskPilot | 6.2 | RecognisedAPIDocumented | — | Yes | — | windows, macos, linux | View |
| 38 | Radix | 6.2 | RecognisedAPIDocumented | — | Yes | — | macos | View |
| 39 | AppleTree | 6.2 | RecognisedAPIDocumented | — | Yes | — | macos | View |
| 40 | Filelight | 6.2 | RecognisedAPIDocumented | — | Yes | — | Linux, Windows | View |
| 41 | WhatSize | 6.1 | RecognisedAPIDocumented | $14.99/mo | No | $14.99one-time | macos | View |
| 42 |  dua | 6.1 | RecognisedAPIDocumented | — | Yes | — | macOS, Linux, Windows | View |
| 43 | Delve | 6.0 | RecognisedAPIDocumented | $4.99/mo | No | $4.99one-time | macos | View |
| 44 | DiskSizer | 6.0 | RecognisedAPIDocumented | — | Yes | — | windows | View |
| 45 |  diskonaut | 6.0 | RecognisedAPIDocumented | — | Yes | — | Linux, macOS, Windows | View |
| 46 |  Duc | 6.0 | RecognisedAPIDocumented | — | Yes | — | Linux | View |
| 47 |  Avidemux | 6.0 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 48 |  TreeMap | 5.9 | RecognisedAPIDocumented | $8.25/mo | No | — | windows, macos, linux | View |
| 49 |  DiskBoss | 5.9 | RecognisedAPIDocumented | $450/mo | No | $450one-time | windows | View |
| 50 |  Disk Inventory X | 5.9 | RecognisedAPIDocumented | — | Yes | — | macOS | View |
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