Best Disk Space Analyzers in 2026

Updated 8 October 2026

104 disk space analyzers ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

104ranked

1free plans on this page

$0.83/molowest paid tier

8 Oct 2026last checked

Disk Space Analyzers, ranked on how quickly a newcomer can get going. 1 of the 25 on this page can be tried for free.

76 SquirrelDisk
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
6.2easy start
77 ValleySoft Disk Analyzer
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
6.1easy start
78 OwlDisk
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
6.1easy start
79 Disk Space AnalyzerPaid from $0.83/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
6.1easy start
80 Pruneapple
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
6.1easy start
81 JDiskReport
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
6.1easy start
82 Parallel Disk Usage (pdu)
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
6.1easy start
83 WalkerFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
6.1easy start
84 DelvePaid from $4.99/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
5.9easy start
85 RidNacs
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
5.9easy start
86 lintree
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
5.9easy start
87 dirstat-rs
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
5.9easy start
88 Disk Space Fan
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
5.8easy start
89 FolderScanUltra
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
5.8easy start
90 SpaceLensPaid from $10/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
5.7easy start
91 KlarityPaid from $6.99/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
5.7easy start
92 DiskWave
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
5.7easy start
93 DiskBossPaid from $450/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
5.7easy start
94 TreeMapPaid from $8.25/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
5.7easy start
95 Cloud-Radar
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
5.7easy start
96 Neodisk
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
5.7easy start
97 Disk Inventory X
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
5.6easy start
98 K4DirStat
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
5.6easy start
99 KDiskFree
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
5.5easy start
100 Directory ReportPaid from $21.95/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
5.5easy start

Compare all 25 in a table

#	Platform	Score	Free plan	From	Free plan	Paid from	Desktop platforms	Treemap view
76	SquirrelDisk	6.2	No	—	Yes	—	Windows, macOS, Linux	No
77	ValleySoft Disk Analyzer	6.1	No	—	—	—	windows	—
78	OwlDisk	6.1	No	—	Yes	—	macos	No
79	Disk Space Analyzer	6.1	No	$0.83/mo	No	$19.95one-time	macos	Yes
80	Pruneapple	6.1	No	—	Yes	—	macos	No
81	JDiskReport	6.1	No	—	Yes	—	Windows, Mac, Linux	—
82	Parallel Disk Usage (pdu)	6.1	No	—	Yes	—	Windows, macOS, Linux	No
83	Walker	6.1	Free plan	Free	Yes	—	linux	—
84	Delve	5.9	No	$4.99/mo	No	$4.99one-time	macos	Yes
85	RidNacs	5.9	No	—	Yes	—	windows	No
86	lintree	5.9	No	—	Yes	—	windows, macos, linux	Yes
87	dirstat-rs	5.9	No	—	Yes	—	windows, macos, linux	No
88	Disk Space Fan	5.8	No	—	No	—	windows	No
89	FolderScanUltra	5.8	No	—	Yes	—	windows	—
90	SpaceLens	5.7	No	$10/mo	No	$10one-time	macos	Yes
91	Klarity	5.7	No	$6.99/mo	No	$6.99one-time	macos	Yes
92	DiskWave	5.7	No	—	Yes	—	macos	—
93	DiskBoss	5.7	No	$450/mo	No	$450one-time	windows	No
94	TreeMap	5.7	No	$8.25/mo	No	—	windows, macos, linux	Yes
95	Cloud-Radar	5.7	No	—	—	—	—	—
96	Neodisk	5.7	No	—	Yes	—	macos	Yes
97	Disk Inventory X	5.6	No	—	Yes	—	macOS	Yes
98	K4DirStat	5.6	No	—	Yes	—	linux	—
99	KDiskFree	5.5	No	—	Yes	—	linux	—
100	Directory Report	5.5	No	$21.95/mo	No	$21.95one-time	windows	—

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