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Dup
Find Duplicate Photos & Videos, Remove Ex, Clean Dev Caches
The Mac cleanup app that sees your photos and videos, not just their filenames. v2.0: delete every photo of a person in one click, match videos across codecs, now in 7 languages. On-device ML. Nothing uploads. Free to try.
Hey Product Hunt,
A month ago, I launched Dup 1.0 here because my Mac was drowning in duplicate photos and videos, and every existing tool only compared filenames. So I built one that actually looks at the pixels — perceptual hashing, entirely on-device — and it finds copies the big-name apps literally cannot see.
Since then, the #1 request from users hasn't been "find more duplicates." It's been:
**"Can I just delete every photo of [this person]?"**
Breakups. Family falling-outs. Ex-coworkers. Old flatmates. The messy human reasons people want a clean photo library. That request shaped all of v2.0.
## What's new in 2.0
- Remove Someone — On-device face detection. Point at one photo of a person, Dup finds every photo and video they appear in, and the whole set is deleted in one click. Nothing ever leaves your Mac. No cloud, no account, no "we use your data to improve our AI."
- Video matching — 4K original vs 720p compressed copy, different codec, different resolution, same footage? Now it matches. This was the hardest part of the rebuild.
- 7 languages — English, Japanese, German, French, Korean, Simplified Chinese, Thai. ~1,500 strings, reviewed by natives (machine translation gets
roasted in reviews).
- The redesign — New unified design system, glass UI, a dark mode that doesn't look phoned in, and animations that make the whole app feel different.
- Smart pre-selection — For free users especially: Dup picks which copy to keep (highest resolution, newest, best format) so you don't have to triage.
- Stricter privacy posture — File paths are never tracked, analytics has PII filters, and all ML is on-device. The threat model assumes we are the adversary.
## Pricing
- **Free** — full scanning + up to 250 MB of actual cleanup, so you can see what it finds before paying
- **Pro Annual** — $24.99/yr, 7-day free trial
- **Lifetime** — $39.99 one-time
Available direct from https://dup.devpon.com or on the Mac App Store https://apps.apple.com/us/app/du.... macOS 13+.
Under the hood, it's Tauri 2 + Rust, using `img_hash` for photos and `vid_dup_finder_lib` for video (with some invasive patches). Both libraries are really good and deserve more love than they get.
**I'll be in the comments all day.** The most useful feedback you can give me is something Dup *misses* — a duplicate case it doesn't catch, a face it confuses, a UX thing that feels off. I want the roasts.
— Notsu
About Dup on Product Hunt
“Find Duplicate Photos & Videos, Remove Ex, Clean Dev Caches”
Dup was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #17 on the daily leaderboard. The Mac cleanup app that sees your photos and videos, not just their filenames. v2.0: delete every photo of a person in one click, match videos across codecs, now in 7 languages. On-device ML. Nothing uploads. Free to try.
On the analytics side, Dup competes within Mac, Privacy and Photography — topics that collectively have 257.2k followers on Product Hunt. The dashboard above tracks how Dup performed against the three products that launched closest to it on the same day.
Who hunted Dup?
Dup was hunted by notsu. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Dup including community comment highlights and product details, visit the product overview.
notsu