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Your medical and progress photos are nobody’s business

Hands hold a phone camera toward another person’s forearm.

What to do

Underlock is coming soon to the App Store. Here’s how it will work.

For new photos

  1. In Underlock, tap the Add button (a plus sign), then Take photo or video.

For photos already in your camera roll

Importing puts a copy of each photo in your vault. The originals stay in the Photos app until you remove them.

  1. In Underlock, tap Add, then Import from Photos.
  2. Choose the photos.
  3. Keep Underlock open until the import finishes.
  4. When the import finishes, Underlock asks whether to remove the originals from the Photos app. Tap Remove.
  5. When iOS asks to delete the originals, confirm. The originals move to Recently Deleted in the Photos app.
  6. While the originals are in Recently Deleted, check that the photos are in your vault.
  7. To remove the originals for good, delete the originals from Recently Deleted. Until then, Recently Deleted keeps the originals for 30 days. After 30 days, the originals are gone for good.

For notes about symptoms or medicine

  1. In Underlock, tap Add, then New note.

What Underlock does

  • Straight from the camera to your vault. Photos you take in Underlock skip the Photos app, so iCloud Photos never sees them.
  • Folders, with private names. Group each set of photos in a folder. Folder and file names are encrypted along with your photos.
  • Keyboard suggestions off in notes. In Underlock’s notes, keyboard suggestions stay off unless you turn them on in Underlock’s settings.

Questions people ask

Take progress photos with the camera inside Underlock. Nothing goes to the Photos app, so the photos never reach your camera roll or iCloud Photos.

Yes. Import PDFs from the Files app, and the PDFs open inside your vault. After the import, Underlock asks whether to remove the original from the Files app. Other kinds of documents open in Apple’s built-in preview, from a temporary copy of the document. Underlock deletes that copy when you close the document.

No. Underlock never adds anything from your vault to iPhone Search. Photos in your vault aren’t in the Photos app either.

Yes. Underlock is free forever: one vault, no file limit. If the free plan ever changes, you keep the plan you started with. More vaults come with Pro, Underlock’s paid plan.

Your health, your progress, your business

Free for one vault, with no file limit. No account, no email.

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 · hello@underlock.app