Practical guides on keeping photos and files private on iPhone, and how to tell whether an app actually protects your files or just moves them out of view.
On iOS 18 and later, lock the Photos app with Face ID, Touch ID, or your passcode. That lock is for this iPhone. Apple does not document a separate vault key. If the files must stay unreadable, import them into ArkWarden.
Read the guideApple does not let you password-protect a Files folder. In ArkWarden you create folders inside a category. Every file is already encrypted. The vault opens with your pattern.
Read the guideThey are in Photos, under Collections, then Utilities, then Hidden. On iOS 26, including iPhone 17, that is the path. If the row is missing, the switch is in Settings.
Read the guideYes, when iCloud Photos is on. Hiding changes the album, not whether the photo is in iCloud. How to check, how to stop it, and what stays out of Photos.
Read the guideMost vault apps come down to two questions: does the file itself become unreadable without a key, and who besides you could get that key. Here's how the apps people ask about most actually answer them.
Read the guideThere are five real ways to hide photos on an iPhone, and each one stops a different kind of look. Here's what each one actually stops, and why encryption is the only one built to survive someone holding the device itself.
Read the guideEvery file encrypted on your device. No account, no ads, no server. Your pattern unlocks the master key.
Read how the encryption works