Find What’s Hidden.
Keep It Private.

NuDefndr uses on-device AI to instantly find sensitive photos buried in your iPhone gallery — with 100% privacy.

Download for iOS

Free with Pro features available

100% Private

On-Device AI

Open Source

NuDefndr app home screen

NuDefndr settings screen

NuDefndr Results Found screen

NuDefndr Library Safe screen

Keep your photo library clean - privately and powerfully.

NuDefndr gives you unmatched control over your photo privacy, powered by Apple's secure frameworks and a zero-trust architecture. All scanning, reviewing, and vaulting happens exclusively on your device.
Nothing is ever uploaded.

NuDefndr uses Apple's advanced on-device AI to detect and help manage sensitive (nude/explicit) photos, with zero cloud access.
Core security components open-sourced for transparency.

Verifiable Privacy

Unlike other iOS apps, our core encryption and security code is open source on GitHub. Security researchers can verify our zero-transmission guarantee and audit our vault encryption.