AllDup
5.9#18 in duplicate file findersFree planFree planWindows
VisitAllDup vs DoubleKiller
DoubleKiller
7.2#3 in duplicate file finders$19.95 one-timeFree planWindows
VisitWhat both publish
| Fact | AllDup | DoubleKiller |
|---|---|---|
| Download version | The download page lists version 4.5.72, dated 17.12.2025, with installation and portable downloads. | The maker's download page lists DoubleKiller 1.6.2.82 dated 2007-07-07 with a 392 kB archive. |
| Founded | 1999 | 2000 |
| Purpose | AllDup searches for and removes duplicate files by content, file properties, similar images, and music tracks. | DoubleKiller finds and removes duplicate files. |
| Support | AllDup support materials include online documentation, a support forum, and a technical support request form. | The maker provides email support for help requests, bugs, feature suggestions and criticism. |
AllDup plans
- AllDup FreewareFree
DoubleKiller plans
- DoubleKiller FreeFree
- DoubleKiller (free, private use)Free
- DoubleKiller Pro Personal$19.95, paid once
- DoubleKiller Pro Commercial$39.95, paid once
- DoubleKiller Pro (commercial use)—
- DoubleKiller Pro (private use)—
Pick AllDup if…
AllDup suits Windows users who want to search local or network storage and archives for duplicate files, then review or manage matches. Its portable edition may suit users who prefer not to install the program.
Pick DoubleKiller if…
DoubleKiller suits Windows users who want to locate duplicate files and choose whether to delete or move them. The free version is limited to private use and files up to 2 GB.