HushkeeperAre calculator vault apps safe?
Calculator vault apps look like a normal calculator until you type a secret code. That disguise can be useful, but it answers a different question from the one that matters most: are your files actually encrypted?
Updated
Short answer. A disguise protects against someone glancing at your home screen. Encryption protects against someone who knows the app is there. Some vault apps do both, some only one. Use the checklist below to tell which.
Disguise and encryption are different things
A disguise changes what the app looks like. It stops a casual observer from noticing it. It doesn't help once someone suspects the app — a quick look at storage usage in Settings, the App Store purchase history or a search for "calculator vault" gives it away.
Encryption changes the files themselves into data that is unreadable without a key. If it's done well, it doesn't matter whether someone knows the app exists, has a copy of the files or knows which algorithm was used. Without your key, they get nothing.
The safest apps treat the disguise as an extra layer on top of real encryption, not instead of it.
A checklist for any vault app
You can check most of these on the App Store listing and the developer's website in a few minutes.
- Does it say how files are encrypted? Look for a named algorithm (such as AES-256-GCM) and how the key is made from your PIN or pattern. "Military-grade" alone tells you nothing.
- Who can reset access? If you can recover your vault through an email link or an account login, the provider has a way in. That can be convenient, but it means the key isn't only yours.
- Where do backups go, and are they encrypted before they leave the phone?
- What does the App Store privacy label say? A vault app that declares "Data Used to Track You" or advertising data is sending information to third parties from the app holding your most private photos.
- Is there a recovery method you control? A recovery phrase you write down is the usual answer for apps that can't reset your password.
- Does it remove the originals? Importing a photo into a vault doesn't delete it from Photos. Check that the app offers to, and empty Recently Deleted.
- Is it honest about limits? No app protects you from someone watching you unlock it or from malware on a jailbroken phone. Developers who say so are usually more trustworthy than those who promise everything.
How Hushkeeper answers the checklist
| Question | Hushkeeper |
|---|---|
| Encryption | AES-256-GCM for files, thumbnails, names and folders; key derived with PBKDF2-SHA256, 600,000 iterations |
| Who can reset access | Nobody but you — no account, no email reset |
| Backups | Your private iCloud; only ciphertext is uploaded |
| Privacy label | No ads, no tracking |
| Recovery | A recovery phrase you keep |
| Disguise | Optional Calculator, Notes, Weather or Clock icon (Pro) on top of the encryption |
| Stated limits | Listed on our security section |
So, should you use a calculator vault?
If it also encrypts your files and passes the checklist, the disguise is a nice extra. If it only hides files behind a fake calculator, treat it as a curtain, not a lock.
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