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Everything Underlock does

A private vault on your iPhone for photos, videos, files and notes. Choose a feature to see how it works.

Lock and hide

Pattern lock

Your own pattern, separate from your passcode.

Face ID

Open one vault with Face ID, if you choose.

Decoy pattern

For when someone forces you to open Underlock.

Wrong tries

See who tried to open your vault, and when.

App icon

Choose a plainer icon for your Home Screen.

Keep anything

Encrypted vault

Photos, videos, files and notes, encrypted on your phone.

Notes and files

PDFs, documents and notes, next to your photos.

Camera

Photos that never touch your camera roll.

More vaults

A separate vault for separate things.

Safety net

Recovery phrase

Forgot your pattern? 12 words get you back in.

Recently deleted

30 days to change your mind.

Guides

All guides
A traveler holds a phone and passport beside a carry-on in a modern terminal. Lock photos Can border agents search your phone? What the US and Canada say 9 min read An adult holds an iPhone over their lap, reviewing a personal photograph of friends walking outdoors. Hide photos How to hide photos on iPhone 4 min read A father and his adult daughter smile at a kitchen table while she points to the iPhone he is holding toward them. The Hidden album Hidden album on iPhone: where it is and how to lock it 4 min read A black iPhone lies face down between two used coffee cups on a café table in soft daylight. Lock photos How to lock photos on iPhone 7 min read Two friends walk and talk along a quiet residential street. Notes and files How to make a private folder on iPhone 7 min read A close view of a woman privately using her phone on a garden bench. Lock photos How to password protect photos on iPhone 6 min read

How Underlock protects you

What happens to a photo from the moment you add it, in plain words. And what Underlock can’t do.

Security Limits

Start free, with one vault

Underlock is free forever. Pricing shows what Pro adds.

For iPhone with iOS 17 or later.

Coming soon to the App Store

Get an email when Underlock launches

  • Lifetime Pro for $39.99 at launch, not $49.99.
  • Then news a few times a year.
  • Leave the list any time.

You’re on the list.

Underlock · [email protected]