Best Free Uninstallers 2026: 6 Options Compared

The uninstaller that comes with Windows removes a program but often leaves folders, settings and registry entries behind, and macOS leaves support files in your Library folder when you drag an app to the Trash. A dedicated uninstaller scans for those leftovers after the normal removal. The free choices differ in how much they let you see. Bulk Crap Uninstaller is open source under Apache-2.0 and is built to remove many programs at once, with a lot of detail and options that suit confident users. Geek Uninstaller is a single portable file, free for personal use with no support, and its Pro edition is a $24.95 lifetime licence. Revo Uninstaller and IObit Uninstaller have free versions that sit alongside paid Pro editions, so expect to see upgrade prompts and check what the free version leaves out. On a Mac, AppCleaner and Pearcleaner find leftover files for an app you drag in. The trade-off is risk against thoroughness. Aggressive leftover scanning can flag shared files, so read the list before you confirm, and create a restore point on Windows first. Most people only need to uninstall a handful of apps a year, so a small portable tool is plenty, and the heavier suites are worth it only if you routinely clean up other people's machines.

Bulk Crap Uninstaller

Open-source (Apache-2.0) bulk uninstaller that removes many programs with little input. Powerful and detailed, which means more options to read before you click.

Price: Free (Free open source) (Bulk Crap Uninstaller pricing, checked 2026-10-24).

Platforms and license: Windows. Apache-2.0 (open source).

Project activity: 22.1k GitHub stars · latest release v6.3 (Sep 7, 2026) · last commit Sep 7, 2026

Best for: Confident users removing many programs.

Geek Uninstaller

Free for personal use, no support, one portable EXE. Pro adds features from $24.95 as a lifetime licence.

Price: Free (Free for personal use, no support, single portable EXE); paid from $24.95 per one-time lifetime license (Pro) (Geek Uninstaller pricing, checked 2026-10-24).

Platforms and license: Windows. Proprietary freeware.

Best for: A small, fast Windows uninstaller.

Worth knowing: Pro lifetime license from $24.95.

Revo Uninstaller Free

Windows freeware with a paid Pro edition sold separately. Pro price was not read, so check what the free version leaves out before relying on it.

Price: Free (Free version offered; a Pro edition is sold separately) (Revo Uninstaller Free pricing, checked 2026-10-24).

Platforms and license: Windows. Proprietary freeware.

Best for: Windows users who want leftover scanning.

IObit Uninstaller

Windows uninstaller whose page advertises a free version. Free-versus-Pro limits were not read, and the vendor also pushes other IObit products.

Price: Free (Page title advertises a free version; free-versus-Pro limits were not read) (IObit Uninstaller pricing, checked 2026-10-24).

Platforms and license: Windows. Proprietary.

Best for: Users already in the IObit ecosystem.

Worth knowing: Pro price not read.

AppCleaner

Free Mac utility that removes an app and its leftover files when you drop the app in. It is proprietary freeware with optional donations.

Price: Free (Free download with optional donations; page states no price) (AppCleaner pricing, checked 2026-10-23).

Platforms and license: macOS. Proprietary freeware (not stated).

Best for: Mac users removing single apps.

Pearcleaner

Free Mac app cleaner under a source-available licence (Apache 2.0 with Commons Clause). Not fully open source, but you can read the code.

Price: Free (Free) (Pearcleaner pricing, checked 2026-10-23).

Platforms and license: macOS. Apache 2.0 with Commons Clause (source-available).

Best for: Mac users who want to read the source.

Which one to pick

• You are removing dozens of programs at once: Bulk Crap Uninstaller
• You want one small portable file on Windows: Geek Uninstaller
• You are on a Mac and removing one app: AppCleaner
• You want leftover scanning from a known Windows name: Revo Uninstaller Free