Is a Locked Note Safe Enough for Private Photos?

Locked notes are one of the most underrated privacy features on the iPhone. They're also easy to set up in a way that quietly weakens them.

What's good about locked notes

• Locked notes are end-to-end encrypted when stored in iCloud.
• You can attach photos, scans, and PDFs.
• They're free and already installed.

The setting that matters most

When you first lock a note, iOS asks whether to use your device passcode or a separate password. Many people pick the passcode because it's easier. Unfortunately that puts locked notes in the same position as the Hidden album: anyone who knows your passcode can open them.

To change it: Settings → Apps → Notes → Password, then choose a custom password.

Where it gets awkward

• No gallery. Photos sit inside the note in a long scroll.
• Videos make notes heavy and slow to open.
• Previews: the note title is visible in the list even when locked, so name it carefully.
• Forgotten password: you can reset it for future notes, but notes locked with the old password still need the old one.

The verdict

For a few images alongside account numbers or codes, a locked note with its own password is perfectly reasonable. For a real photo library, or anything you'd need to deny exists, use a dedicated vault.