Sealby
A private encrypted vault for iPhone
Keep photos and videos outside Photos, encrypted on your device, with multiple PIN-linked vaults and a private camera.
Explore Sealby for private photosPhotos & media
Hiding changes what is displayed. Encryption changes what is readable. Everything about protecting private photos on a phone comes down to that one distinction.
A private encrypted vault for iPhone
Keep photos and videos outside Photos, encrypted on your device, with multiple PIN-linked vaults and a private camera.
Explore Sealby for private photosGood for casual privacy
Easy and built in, but the files remain inside Photos and its iCloud sync.
Useful for a few images
More protection, but awkward for albums, browsing and video.
Protection varies
Some encrypt your files. Others only place a PIN screen in front of them.
A hidden photo is like a book moved to a high shelf: the library still catalogues it, anyone who looks up can see it, and the librarian will fetch it on request. An encrypted photo is a book written in a cipher only you can read: its location stops mattering, because possession no longer equals access.
Phones blur this distinction constantly. Lock screens, hidden albums, app PINs and disguised icons all feel like protection because they add steps. But steps are friction for the honest; readability is the only thing that stops the motivated. The question to ask of any privacy feature is simply: does it change what is displayed, or what is readable?
Display rules fail loudly and completely: one tap into the Hidden album, one synced iPad, one backup opened on a laptop, one extraction — and everything is simply there, in the clear. There is no partial failure; the filter either holds attention away or it is over.
Encryption fails only at its edges: a guessable PIN, keys a vendor can hand over, or plaintext copies that never got cleaned up (camera-roll originals, Recently Deleted, old sync targets). Inside a correct boundary — strong key derivation, on-device keys, no plaintext leftovers — the content stays noise regardless of who holds the hardware. That is why the checklist for choosing a vault is really a checklist about edges.
Encryption has one tell: it is visible. A locked container in plain sight concentrates attention and invites the direct demand — "open it." Deniable design removes the tell. Sealby stores all vaults in a uniform pool with no count and no directory; each PIN opens its own vault, and nothing distinguishes "you saw everything" from "there is more". Display rules hide from glances, encryption defends content, deniability defends the question of existence itself. Pick the layer that matches who you are actually protecting against.
Photos on the device are covered by iOS full-device encryption while the phone is locked — like every file on the phone. But within an unlocked phone, "hidden" is only a display filter: the photos are fully readable to the Photos app, to search, to a synced device, and to anyone who opens the album. There is no separate encryption tied to a secret of yours.
When the threat is inattention: shoulder-surfing, a scrolling friend, an unlocked phone briefly on the table with no one motivated to dig. Display filters are exactly the right tool for casual exposure — convenient, instant, reversible.
When there is intent: a partner who checks, a device search, a computer that holds your backups, a demand to open the phone. Anything that reads storage or navigates the real interface walks straight past a display rule. From that point, only encryption — readable solely with your secret — changes the outcome.
Ordinary encryption protects content but announces its own existence — a visible locked container invites the demand to open it. Deniable vaults make the existence question unanswerable: storage looks identical whether one vault exists or five, so there is no visible "locked thing" to demand. Under pressure, that difference is the whole game.
Download Sealby and protect what matters. Setup takes under a minute, and there’s no account to create.
iPhone & iPad · iOS 17+ · Free