# Nudis > Private gallery vault for iOS and Android focused on local-first privacy and strong on-device protection. ## Canonical Site - https://nudis.app/ ## Key Pages - Product: https://nudis.app/ - Guides hub: https://nudis.app/guides/ - Blog: https://nudis.app/blog/ - Intro post: https://nudis.app/blog/introducing-nudis/ - FAQ: https://nudis.app/faq/ - mobile private vault guide: https://nudis.app/private-photo-vault-ios/ - How-to guide: https://nudis.app/protect-private-photos-iphone/ - Hidden album comparison: https://nudis.app/nudis-vs-hidden-album/ - Alternatives guide: https://nudis.app/private-photo-vault-alternatives/ - Terms: https://nudis.app/terms/ - Privacy: https://nudis.app/privacy/ - Sitemap: https://nudis.app/sitemap.xml - Extended LLM context: https://nudis.app/llms-full.txt ## Summary Nudis is a mobile private gallery vault for iOS and Android designed to protect private photos and videos on-device. Core features include AES-256 encryption, biometric or passcode access, local-first architecture, and optional local WiFi casting. ## Privacy Position - Private gallery content stays on device - No cloud backup of private gallery media by default - Zero-knowledge design goals ## Contact - Email: hello@nudis.app