CalcLockAt a glance: Compare CalcLock’s device-only equation access with Private Photo Vault’s local albums and optional Cloud Vault.
Choose the way into your collection
Private Photo Vault describes a separate vault code and an optional setting requiring both Face ID and a PIN. CalcLock opens the collection associated with an exact equation after a second equals press. These are different entry routines, not security scores.
Local use and optional cloud use
Private Photo Vault says local storage works without an account or internet connection. Its optional premium Cloud Vault requires an account and connection for backup and sync. It says files are encrypted before upload and the cloud password is needed for restoration.
Organization and storage choices
Private Photo Vault documents albums, sub-albums and individual album passwords. It also offers premium Space Saver with encrypted cloud originals. If reducing phone storage is the goal, investigate that feature directly rather than assuming any photo-vault app will free space.
CalcLock’s current boundary
CalcLock uses AES-256-GCM for local vault files and its manifest, with a secret held in the device Keychain. It has not had an independent security audit. The current version has no export, sharing, backup restoration, sync or forgotten-equation recovery. Keep independent originals: losing the device or equation can mean losing access.
A fair choice for your use case
Consider Private Photo Vault when cloud restoration or detailed album organization matters. Consider CalcLock when you prefer a working calculator and local equation-based collections, and you already keep independent originals. Do not erase those originals to make room for CalcLock.
About this comparison
Reviewed 11 November 2026. Published by CalcLock, using its documented current implementation and the official source linked below. Competitor capabilities are developer-described, not independently tested here. Features and plans can change. No security ranking or guaranteed outcome is implied.
Questions, answered
Does Private Photo Vault require an account?
Its published guidance says an account is not required for local storage. An account is required for its optional Cloud Vault. Treat those two workflows separately.