iPhone privacy guides

Practical, step-by-step guides to locking apps, hiding photos and videos, and keeping notes private on iPhone — using Apple's built-in tools and Voice Unlock & App Locker.

How to lock apps on iPhone

Face ID app lock, Screen Time limits, Shortcuts and app lockers compared, with steps for each.

How to hide photos and videos on iPhone

The Hidden album, locked notes and encrypted photo vaults — what each really protects.

Unlock apps with your voice on iPhone

How voice-phrase unlock works, choosing a good phrase, and when to use Face ID instead.

How to lock notes on iPhone

The built-in Notes lock vs encrypted secret notes, and tips for storing passwords.