Gemini 2 by MacPaw is the best-known duplicate finder on the Mac — polished, capable, and priced accordingly. Here is how ZapMyFiles compares if you want verified results without the price tag, the subscription push, or the single-platform limit.
Gemini 2
ZapMyFiles
Price
$44.95 one-time, ~$19.99/year subscription, or via Setapp
Free download; optional Pro planned as a one-time purchase, never a subscription
Platforms
macOS only
macOS (Apple Silicon + Intel), Windows x64, Linux
How duplicates are confirmed
Exact duplicates plus algorithmic “similar file” detection
Byte-for-byte full-content verification only — no similarity guesses
Selection
“Smart selection” can pre-choose files for removal
You choose; the kept copy is locked and can never be selected
Deletion
Removes to Trash with an undo window
System Trash only, always, with explicit confirmation first
Track record
Gemini Classic was discontinued in 2023; Gemini 2 remains supported
Actively developed with signed releases and automatic updates
Privacy
Commercial suite; see MacPaw's privacy policy
No telemetry or analytics in the app; scans never leave your machine
Competitor pricing and feature claims last checked July 2026 — see the vendor's site for current details.
ZapMyFiles only shows duplicates it has verified byte-for-byte.
Where Gemini is genuinely strong
Gemini 2 is a polished product with something ZapMyFiles deliberately does not offer: similar-file detection that finds near-duplicate photos, not just exact copies. If your primary problem is a photo library full of near-identical shots, and you are on a Mac and comfortable with the price, Gemini is a reasonable tool for that job.
Where ZapMyFiles differs
The trade-off with similarity detection is trust: a “similar” match is a judgment call made by an algorithm, and acting on it means deleting files that are not actually identical. ZapMyFiles only ever reports duplicates it has verified byte-for-byte, which means every result can be deleted with certainty. Nothing is pre-selected by an algorithm on your behalf — you review, the kept copy is locked, and removals go to the system Trash.
There is also the matter of price and platform. Everything ZapMyFiles does today is free, on all three desktop platforms, with one consistent app. When a Pro tier ships it will be a one-time purchase — we consider subscriptions the wrong model for a utility you reach for a few times a year.
Choose Gemini 2 if…
You want similar-photo detection, not just exact duplicates
You are all-in on macOS and already subscribe to Setapp
You prefer an app from a large established Mac software vendor
Choose ZapMyFiles if…
You want verified, byte-identical results you can delete with certainty
You use more than one platform, or want one answer for Mac, Windows, and Linux
You want a capable free tier and refuse subscription utilities
Try it on one folder.
ZapMyFiles is a free download for macOS, Windows, and Linux. Scan a single folder, review the verified results, and see whether it earns your trust.