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Head-to-head · Duplicate File Finders

Czkawka vs Gemini 2

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Czkawka #2 in Duplicate File Finders 8.8/10 Free plan Free plan✓ 4 of 4 features Visit Czkawka
Gemini 2 #5 in Duplicate File Finders 8.4/10 Paid ✓ 4 of 4 features Visit Gemini 2

Czkawka leads on 0 checks, Gemini 2 on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCzkawka · 8.8/10
  • Free planonly Czkawka

Czkawka scores higher on our rubric for duplicate file finders: 8.8 against 8.4 out of 10; our editors rank them #2 and #5.

On platform coverage, Czkawka gives you Cross-platform where Gemini 2 offers Macos.

Czkawka is the better fit for technical users wanting free cross-platform software. Gemini 2 is the better fit for mac users wanting smart duplicate selection.

  • Czkawka fits best

    Technical users wanting free cross-platform software

  • Gemini 2 fits best

    Mac users wanting smart duplicate selection

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Side by side

Feature Czkawka 8.8/10 Visit ↗ Gemini 2 8.4/10 Visit ↗
At a glance
Editor score 8.8 8.4
Ranking #2 in Duplicate File Finders #5 in Duplicate File Finders
Best for Technical users wanting free cross-platform software Mac users wanting smart duplicate selection
Pricing model Free Paid
Starting price Free plan —
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Desktop, Mobile Desktop
Platforms Windows, macOS, Linux, Android macOS
Built for Solo, Small business Solo, Small business
Features Czkawka 4/4 · Gemini 2 4/4
File preview ✓ ✓
Automatic selection ✓ ✓
Recycle Bin / Trash ✓ ✓
Folder exclusions ✓ ✓
Specs
Platform coverage Cross-platform Macos
Scan locations User-selected local directories and paths Whole disk, selected folders, removable media, network volumes, Photos libraries, iTunes libraries
Match methods File name, file size, name and size, or full-content hash File data length, creation date, modification date, extension, path, and similarity
Our review
Pros
  • Free and open source across Windows, macOS, Linux, and Android
  • Multiple hash methods, caching, exclusions, previews, and selection presets
  • CLI support for scripting, dry runs, JSON output, and automated deletion
  • Finds identical and slightly different files
  • Scans disks, libraries, removable media, and network volumes
  • Smart Selection learns preferences and moves removals to Trash
Cons
  • Scan locations are limited to user-selected directories and files
  • Media matching is narrower than its broader file-cleanup toolkit
  • The legacy GTK interface no longer receives new binaries
  • Available only for macOS
  • Paid-only product with a listed starting price of 44.95
  • One-time plans cover only one or two Macs
Our verdict

Czkawka is a free, open-source file-cleanup suite for technical users who want duplicate detection across Windows, macOS, Linux, and Android-related frontends. It identifies duplicates by file name, size, full-file hash, or combined size…

Read the review →

Gemini 2 is a macOS duplicate-file finder from MacPaw for people who want to identify redundant files and recover storage space. It scans whole disks, selected folders, removable media, network volumes, Photos libraries, and iTunes…

Read the review →
  1. CzkawkaDuplicate File Finders 8.8Free plan
  2. Gemini 2Duplicate File Finders 8.4Paid

Strengths and trade-offs

  • Czkawka — where it wins

    • Free and open source across Windows, macOS, Linux, and Android
    • Multiple hash methods, caching, exclusions, previews, and selection presets
    • CLI support for scripting, dry runs, JSON output, and automated deletion

    Where it doesn't

    • Scan locations are limited to user-selected directories and files
    • Media matching is narrower than its broader file-cleanup toolkit
    • The legacy GTK interface no longer receives new binaries

  • Gemini 2 — where it wins

    • Finds identical and slightly different files
    • Scans disks, libraries, removable media, and network volumes
    • Smart Selection learns preferences and moves removals to Trash

    Where it doesn't

    • Available only for macOS
    • Paid-only product with a listed starting price of 44.95
    • One-time plans cover only one or two Macs

More comparisons

All duplicate file finders comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update