IOUKeepers

IOUKeepers finds the duplicate photos hiding in your library: exact copies, re-saves, resized versions, and lightly edited variants.

Everything runs on your device. Your photos are never uploaded, and the app works with no account and no sign-in.

How it works:

• Scan your library. IOUKeepers fingerprints each photo and groups the matches.
• Review each group. IOUKeepers marks the best version to keep (highest resolution, original first) and pre-selects the rest.
• Delete with one tap. Your system confirms before anything is removed, and deleted photos go to Recently Deleted.

Control how aggressive matching is with one slider: low catches only exact copies and recompressions, the default also catches resized and lightly edited copies, high starts grouping burst shots.

Free, with no subscription and no in-app purchase. Scan and delete as much as you want on any size library.

Marked a group wrong? One tap on "Not duplicates" and IOUKeepers remembers your call on future scans.

From IOUMore. If you want the keepers safely backed up and organized for your family, check out IOUHome.