TripSweep - Duplicate photo cleaner for iPhone, sorted by trip
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TripSweep groups your phone's photos by trip and finds duplicates, similar and blurry shots, screenshots and big videos. Compare side by side, keep the best, free gigabytes. Runs on your phone, no account. iPhone and Android, one-time purchase.

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Hi Product Hunt 👋 I'm Jeffrey, a solo developer from Switzerland.
My phone was full of vacation photos and dozens of near-identical shots of the same sunset. Sorting them one by one was painful, so I built TripSweep: it groups the library by trip, shows which trips weigh the most, and finds similar photos so you keep the best one and delete the rest.
A few choices I cared about: everything runs on the device (no account, no photo upload), deletions go through the system trash, favorites are never suggested, and Pro is a one-time purchase, never a subscription.
There's also PhotoCull, a free Mac/Windows companion to sort your iPhone on a big screen.
I'd love your feedback, especially on the similar-photo grouping. Thanks!