What Safe Lock offers
Safe Lock offers PIN, DotLock, numeric and alphabetic passwords, Touch ID and Face ID, plus break-in reports that photograph whoever failed an unlock, and import and export through Dropbox and Google Drive.
All of that controls who gets through the app. It says nothing about what happens to the files themselves.
What a lock does not reach
Its listing describes hiding albums rather than encrypting files, and does not name a cipher. That distinction is invisible day to day and decisive in one specific situation: when someone reaches the storage without going through the app at all — a device that is lost, imaged, or examined with forensic tools.
Vaultine encrypts each file with AES-256-GCM before it is written. The stored data is split and randomised so nothing on disk resembles the original, and the key is derived from your 5x5 pattern or six-digit PIN and never stored. Without your code there is nothing readable to find, regardless of how someone reaches the storage.
Break-in reports and prepared answers
A break-in report tells you afterwards that somebody tried. Vaultine doesn't take intruder photos.
What Vaultine has instead is for the moment itself. The Decoy Vault opens on a second code and shows a vault you stocked in advance with harmless files, so an unlock under pressure looks entirely ordinary and reveals exactly what you chose. The Duress Vault opens on a third code, shows an empty vault, and wipes your real vaults as it does. Once it has, that vault becomes your main vault, so there is no empty shell left sitting there to explain.
Both are Pro features, both are configured by you, and because Vaultine rejects any code it does not recognise, the vaults on your device are only ever the ones you created.
One vault, four platforms
Safe Lock is an iPhone app. Vaultine runs on Windows, macOS, iOS and Android, which matters if the files you most want protected are the documents on a laptop rather than the photos on a phone.
