
WinDirStat
WizTree
Baobab Disk Usage Analyzer
DaisyDisk
CleanMyPC
Avast Cleanup
SpaceSniffer
TreeSize tells you where precious disk space has gone to.

Process Explorer
Process Hacker
Process Lasso
WinDirStat
Free Extended Task Manager
Security Task Manager
SystemExplorer
OpTask — Task Manager alternative for Windows. Processes, live CPU/GPU/disk/network graphs, a 30-check health scan and disk scanner. Free for personal use.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | jam-software.de | tapatch.com |
| Pricing | — | |
| Platforms | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of TreeSize yet.
OpTask is a modern Windows task manager and system monitor. A virtualised process list groups apps the way Task Manager does, with slim live meters, one-click end-task, priority control, and a shield on anything that needs admin to kill. Performance graphs cover CPU, every logical core, memory,...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
TreeSize is recommended for system administrators, IT professionals, and everyday users who need an efficient way to track and manage disk space usage. It is particularly useful for those managing multiple drives or looking to perform detailed storage audits.
No analysis of OpTask yet.
Walkthroughs and reviews on video.
How to Easily Free Disk Space with Treesize (or similar)
More videos
OpTask's Goal
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using TreeSize and OpTask. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


TreeSize Professional is a flexible hard disk space managing tool for all Windows and client/server. You can visualize your hard disk space usage.
We have no reviews of OpTask yet. Be the first one to post
When comparing TreeSize and OpTask, you can also consider the following products.

WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
Compare WinDirStat to TreeSize or OpTask:

The top window always shows a list of the currently active processes, including the names of their owning accounts, whereas the information displayed in the bottom window depends on the mode that Process Explorer is in: if it is in handle mode you'l…
Compare Process Explorer to TreeSize or OpTask:

WizTree quickly finds the files and folders using the most space on your hard drive. It scans the MFT (Master File Table) instead of crawling the entire disk which makes it very fast.
Compare WizTree to TreeSize or OpTask:

Process Hacker is a feature-packed tool for manipulating processes and services on your computer.
Compare Process Hacker to TreeSize or OpTask:

Baobab Disk Usage Analyzer is one of the light-weight disk analyzers that offers you a chance to view and monitor the disk usage & folder structure without any hassle.
Compare Baobab Disk Usage Analyzer to TreeSize or OpTask:

Process Lasso is NOT yet another task manager.
Compare Process Lasso to TreeSize or OpTask: