Import from the Files app
Tap Add, then Import from Files. After the import, Underlock asks whether to remove the original from the Files app.
Keep PDFs, documents and notes in your vault, encrypted on your iPhone like your photos. Import from the Files app, or write a note in Underlock.
Coming soon to the App StoreTap Add, then Import from Files. After the import, Underlock asks whether to remove the original from the Files app.
Tap Add, then New note. The note saves as you type.
PDFs open inside Underlock. Other kinds of documents open in Apple’s preview, from a temporary copy that Underlock deletes afterwards. iOS may keep a small preview image of the document outside the vault.
Search by name, by kind or by folder name. Type "Documents" in search to see every document in the vault.
Folders, one level deep. Group documents in folders inside your vault. Keep a parent’s papers in one folder
No limit from us. Your iPhone’s space is the only limit.
Not inside Underlock. Scan the document with the Files app or the Notes app. Then import the PDF into Underlock.
Yes. Notes are encrypted on your iPhone before they’re saved, like everything else in your vault. Forgot your password in Apple’s Notes app?
Free for one vault, with no file limit. No account, no email.
For iPhone with iOS 17 or later.