Resources & Tools

We’ve been building Mac utilities since 2011. Along the way, we’ve developed tools and methodologies that help us — and now you — make better decisions about Mac software.

Duplicate File Finders

3 resources
For Users

Evaluation Calculator

Score any duplicate finder app against 54 objective criteria. Interactive and free to use.

For Reviewers & Journalists

Evaluation Methodology

Open framework with 54 criteria across safety, accuracy, and usability.

  • Step-by-step testing procedures
  • Downloadable PDF
  • CC BY 4.0 license
For Developers & QA

Test Datasets

Standardized test files with edge cases: APFS clones, symlinks, resource forks, and more.

Why We Share This

We believe transparency builds trust. By publishing our evaluation criteria openly, we invite scrutiny of our own products — and raise the bar for the entire category.

Found an issue or want to suggest a new criterion? Let us know.

Licensed under CC BY 4.0
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