Vaultaire vs Safe Lock

Feature Comparison

Vaultaire: 17/17 features. Safe Lock: 5/17 features (1 partial).

Pricing Comparison

Cloud Backup Without Encryption

Safe Lock offers cloud backup as a premium feature. This sounds like a data safety improvement -- until you examine what is actually being backed up. The photos are uploaded to cloud storage without end-to-end encryption. The cloud provider can read them. An attacker who compromises the cloud account can view them. A subpoena to the cloud provider can obtain them. The backup feature creates a second copy of your private photos in a location with weaker access controls than your device.

Vaultaire encrypts backup components before they leave the device. iCloud receives padded AES-256-GCM ciphertext and an encrypted recovery manifest, not readable vault files or a plaintext backup key. A compromised account or legal demand can still expose CloudKit records and service metadata. Reading the protected content requires the device-independent backup key or the recovery path and the matching encrypted records.

PIN vs. Pattern as Authentication

Safe Lock uses a numeric PIN for access control. A 4-digit PIN has 10,000 possible combinations. A 6-digit PIN has 1,000,000. These are small keyspaces, vulnerable to brute-force attacks. More importantly, the PIN only gates access to the app's UI -- it does not derive an encryption key. The PIN is a lock on a door; break the door frame (access the file system), and the lock is irrelevant.

Vaultaire's visual pattern is the input to PBKDF2-HMAC-SHA512, which derives a vault key. That vault key authenticates the encrypted index and unwraps the separate random master key used for file encryption. The pattern is therefore part of the cryptographic unlock path, not only an interface gate. Its real strength still depends on the pattern a person chooses, while PBKDF2 raises the cost of each guess without adding entropy.

Data Portability

Safe Lock users report losing photos during device transfers, iOS updates, and app reinstallation. Without encrypted backup, the hidden photos exist only in the app's local sandbox. When that sandbox is deleted -- through uninstallation, a failed update, or a device wipe -- the photos are gone permanently. There is no recovery mechanism, no export path that preserves privacy, and no way to migrate data safely between devices.

Vaultaire provides several data portability paths. Client-side encrypted iCloud backup supports device migration, and a custom nine-word recovery phrase derives a key for the encrypted recovery manifest. The phrase is not BIP-39 and does not contain the files, so restoration still requires the corresponding encrypted CloudKit records. Vault sharing uses a separate encrypted transfer flow.

The Absence of Duress Features

Safe Lock provides no duress vault, no plausible deniability mechanism, and no way to protect your data under coercion. If someone forces you to unlock the app, every hidden photo is immediately visible. There is no secondary vault that can be sacrificed, no trigger that wipes sensitive data, and no way to demonstrate that you have nothing to hide when you do.

Vaultaire's duress vault is designed for this scenario. A separate pattern opens its assigned vault while removing local indexes and recovery mappings for the others. The person watching sees an ordinary unlock, and the non-duress vaults no longer appear in that installation's usable state. The action is local and best effort: encrypted blobs, cloud records, peer copies, filesystem history, and other forensic evidence may remain.