Side by side
CloneSpy vs Dup Detector
Both stand on duplicate file finders. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
CloneSpy offers several ways to identify and handle duplicate files, including checksum-file checks and portable installation. Its listed release is dated 2019, and binary comparison may not treat documents with differing metadata as equal.
Visit CloneSpy
Pick Dup Detector if you want a free, open source desktop tool to find duplicates and make your own deletion choices. Its staged matching and multithreaded scanning address file discovery across three desktop platforms. Look elsewhere if you need duplicates removed automatically or depend on stated integrations with other software.
Visit Dup DetectorThe facts
| CloneSpy | Dup Detector | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Windows | Linux, Mac, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | clonespy.com | dupdetector.com |
| On duplicate file finders | #10 of 38 | #6 of 38 |
CloneSpy: what it does well
- Free tool for Windows.
- Matches by content, name, title, size, or status.
- Previews files and supports folder exclusions.
- Can move, delete, or link duplicates.
- Offers standard and portable installation.
What to know first
- Latest listed version dates to 12.10.2019.
- English is the only provided language.
- Binary comparison can be affected by metadata differences.
- Does not identify visually similar images or songs.
Dup Detector: what it does well
- Free forever on Linux, macOS, and Windows.
- Compares size, partial content, and full content hashes.
- Supports multithreaded scanning.
- Maker says smart hashing scans 10,000 or more files per second.
- Leaves deletion choices to the user.
What to know first
- Does not automatically delete duplicate files.
- Desktop platforms are Linux, macOS, and Windows.
- No integrations with other software are stated.
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