When comparing Bulk Crap Uninstaller vs Uninstall Tool, the Slant community recommends Bulk Crap Uninstaller for most people. In the question“What are the best software uninstallers on Windows?” Bulk Crap Uninstaller is ranked 2nd while Uninstall Tool is ranked 7th. The most important reason people chose Bulk Crap Uninstaller is:
Can uninstall automatically.
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Pros
Pro Automatic
Can uninstall automatically.
Pro Completely free and open source
Pro Detects unregisterd programs
Can detect most applications and games (also portable and not registered), cleans up leftovers.
Pro Works even on very old Windows versions
It can even run on Windows XP, obviously with reduced functionality.
Pro Supports batch uninstalls
Not many 'free' commercial uninstaller tools support batch uninstalls at all, this one does and is completely FOSS.
Pro Has a portable version
You can choose from the installer to install the portable version.
Pro Easy
Pro Has comprehensive tracing feature
It can even continue to trace after an install is done. This is done by launching the application and appending a trace for config/preference files, downloaded content and the like.
Pro Force removal
Uninstall Tool lets you force uninstall programs that you can't get rid of with a standard uninstaller.
Pro Official Portable Version + Portable License Available
This means the application can be used from a USB drive. License wise this is a great option for people with multiple PCs or virtual machines too.
Cons
Con Sluggish UI
When dealing with a lot of applications the UI starts to feel slow and stutters.
Con Ugly UI
With all toolbar menus enabled, it's pretty ugly.
Con Trial is functionally crippled
The Uninstall Tool trial will find all the traces and let you select what to remove from your system but won't let you actually perform the deep clean until you purchase a license. The results can be saved and acted on once you purchase a license.