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

8free plans on this page

$1.25/molowest paid tier

8 Oct 2026last checked

Disk Space Analyzers, ranked on how quickly a newcomer can get going. 8 of the 25 on this page can be tried for free.

26 ageduFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
7.3easy start
27 winTrimFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
7.3easy start
28 dustFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
7.3easy start
29 DiskSavvy
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
7.2easy start
30 Capacitra
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
7.2easy start
31 Flare Scan
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
7.2easy start
32 Neodisk
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
7.2easy start
33 DiskMap
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
7.2easy start
34 Drive Sonar
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
7.2easy start
35 OpenDiskFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
7.2easy start
36 FreeSizePaid from CHF 2.42/mo
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
7.2easy start
37 SpaceSniffer
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
7.1easy start
38 ccdu
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
7.1easy start
39 Radix
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
7.1easy start
40 DiskLens
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
7.1easy start
41 SiftPaid from $1.67/mo
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
7.1easy start
42 Disk AnalyzerFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
7.1easy start
43 DiskTreePaid from $1.25/mo
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
7.1easy start
44 Spacie
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
7.0easy start
45 AppleTree
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
7.0easy start
46 SpaceBrowser
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
7.0easy start
47 dumap
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
7.0easy start
48 Disk XrayPaid from $29/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
6.9easy start
49 rsdirstat
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
6.9easy start
50 DaisyDiskPaid from $9.99/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
6.8easy start

Compare all 25 in a table

#	Platform	Score	Free plan	From	Free plan	Paid from	Desktop platforms	Treemap view
26	agedu	7.3	Free plan	Free	Yes	—	Linux; web browser for HTML reports	No
27	winTrim	7.3	Free plan	Free	Yes	—	windows, macos, linux	Yes
28	dust	7.3	Free plan	Free	Yes	—	linux, macOS, Windows	No
29	DiskSavvy	7.2	No	—	No	—	Windows	No
30	Capacitra	7.2	No	—	Yes	—	windows	Yes
31	Flare Scan	7.2	No	—	Yes	—	macos	Yes
32	Neodisk	7.2	No	—	Yes	—	macOS	Yes
33	DiskMap	7.2	No	—	Yes	—	windows	Yes
34	Drive Sonar	7.2	No	—	—	—	windows, macos, linux	Yes
35	OpenDisk	7.2	Free plan	Free	Yes	—	macos	—
36	FreeSize	7.2	Free plan	CHF 2.42/mo	Yes	—	windows, macos, linux	Yes
37	SpaceSniffer	7.1	No	—	Yes	—	windows	Yes
38	ccdu	7.1	No	—	Yes	—	linux, macos	Yes
39	Radix	7.1	No	—	Yes	—	macos	Yes
40	DiskLens	7.1	No	—	Yes	—	macOS, Windows	No
41	Sift	7.1	Free plan	$1.67/mo	Yes	—	macOS	No
42	Disk Analyzer	7.1	Free plan	Free	Yes	—	windows	Yes
43	DiskTree	7.1	Free plan	$1.25/mo	Yes	—	macos	Yes
44	Spacie	7.0	No	—	Yes	—	macos	Yes
45	AppleTree	7.0	No	—	Yes	—	macos	Yes
46	SpaceBrowser	7.0	No	—	Yes	—	Windows, Linux, macOS	Yes
47	dumap	7.0	No	—	—	—	windows, macos, linux	Yes
48	Disk Xray	6.9	No	$29/mo	—	$29one-time	macos	—
49	rsdirstat	6.9	No	—	Yes	—	macos, linux, windows	Yes
50	DaisyDisk	6.8	No	$9.99/mo	No	$9.99one-time	macos	Yes

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